Q: Is 1,201,637 a Prime Number?
A: Yes, 1,201,637 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1201637 can be evenly divided by 1 and 1,201,637, with no remainder.
Since 1,201,637 can be divided by just 1 and 1,201,637, it is a prime number.