125103287 has 2 divisors, whose sum is σ = 125103288. Its totient is φ = 125103286.

The previous prime is 125103269. The next prime is 125103299. The reversal of 125103287 is 782301521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125103287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125103217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62551643 + 62551644.

It is an arithmetic number, because the mean of its divisors is an integer number (62551644).

Almost surely, 2^125103287 is an apocalyptic number.

125103287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125103287 is an equidigital number, since it uses as much as digits as its factorization.

125103287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 125103287 is about 11184.9580687636. The cubic root of 125103287 is about 500.1376780860.

The spelling of 125103287 in words is "one hundred twenty-five million, one hundred three thousand, two hundred eighty-seven".