Allah means God in Arabic; God is not a prophet but choses people to be special messengers for Allah which are correctly called prophets. As for the name of God it is written in the Book.
ﺍﻟﻤﺰﺍﻣﻴﺮ 83:18 Arabic Bible: Easy-to-Read Version (ERV-AR)
18 عِندَئِذٍ سَيَعلَمُونَ أنَّكَ أنتَ يهوه
وَحدَكَ اللهُ العَلِيُّ عَلَى كُلِّ الأرْضِ!
Footnotes:
- ﺍﻟﻤﺰﺍﻣﻴﺮ 83:18 يهوه. أقرب معنى لهذا الاسم «الكائن.