Q: Is 1,200,512 a Prime Number?
A: No, 1,200,512 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1200512 can be evenly divided by 1 2 4 8 16 32 64 83 113 128 166 226 332 452 664 904 1,328 1,808 2,656 3,616 5,312 7,232 9,379 10,624 14,464 18,758 37,516 75,032 150,064 300,128 600,256 and 1,200,512, with no remainder.
Since 1,200,512 cannot be divided by just 1 and 1,200,512, it is not a prime number.