Q: Is 1,242,135 a Prime Number?
A: No, 1,242,135 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 1242135 can be evenly divided by 1 3 5 9 15 27 45 81 135 405 3,067 9,201 15,335 27,603 46,005 82,809 138,015 248,427 414,045 and 1,242,135, with no remainder.
Since 1,242,135 cannot be divided by just 1 and 1,242,135, it is not a prime number.