Q: Is 1,122,543 a Prime Number?
A: No, 1,122,543 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 1122543 can be evenly divided by 1 3 9 37 111 333 3,371 10,113 30,339 124,727 374,181 and 1,122,543, with no remainder.
Since 1,122,543 cannot be divided by just 1 and 1,122,543, it is not a prime number.