Muslims do not believe Jesus is the Son of God. In fact, they believe it is blasphemous to suggest that Allah -- which is simply the Arabic word for God, meaning the God of Abraham -- could have a son. They believe that Jesus did not die on the cross, hence, no resurrection. They believe, however, that Jesus was a great prophet.
They do believe that Muhammed was the greatest and last prophet. However, they believe in the Second Coming, and that Christ will rule over the earth during the Millenium, interestingly enough.
I have wondered many times about the role of Muhammed. When he lived, the surrounding Arabs were worshiping various idols. He converted them to a belief in the God of Abraham, which was certainly a step in the right direction. I therefore think he did them great good. I often wonder how much of Muhammed's teaching has been distorted and changed in the last 1,300 years.
"Allah" does not mean "God of Abraham". Allah was the name of a local Arabian moon god. The Arabic word for the God of the Jews was "adonah" - an Arabicization of "Adonai", a Hebrew/Aramaic name for God.
Mohammed preached that this moon god was actually the only God and that Abraham worshipped Allah. He told Arabs that they were the true descendents of Abraham and that the Jews were liars and descendents of pigs and monkeys.
There is a reason why a crescent moon is the symbol of Islam to this day - it shows the true provenance of Allah. Fascinating, isn't it, that Islam forbids making an image of anything created - yet adopts an image of the moon as its symbol? Even more interesting that Muslims worldwide are expected to travel to Mecca at least once to do obeisance to a black stone - yet they claim that Christians are blasphemers and idolaters for worshipping Christ.
I think this is true, however the compound, contracted word Allah formed from Al (the) & Lah (contracted and bastardized from the original Lil meaning god) is the ancient Arab name of the Sumerian sun god. At the time of Mohammed the Arabs of Mecca had hundreds of gods and Lil was one of the more popular. Mohammed chose it as the one god. Is a name really important when the speaker actually does mean 'the one god' in his mind? I don't know. You tell me.