125012746 has 4 divisors (see below), whose sum is σ = 187519122. Its totient is φ = 62506372.

The previous prime is 125012737. The next prime is 125012819. The reversal of 125012746 is 647210521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647210521 = 6709 ⋅96469.

It can be written as a sum of positive squares in only one way, i.e., 108972721 + 16040025 = 10439^2 + 4005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31253185 + ... + 31253188.

Almost surely, 2^125012746 is an apocalyptic number.

125012746 is a deficient number, since it is larger than the sum of its proper divisors (62506376).

125012746 is an equidigital number, since it uses as much as digits as its factorization.

125012746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62506375.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 125012746 is about 11180.9098914176. The cubic root of 125012746 is about 500.0169940891.

The spelling of 125012746 in words is "one hundred twenty-five million, twelve thousand, seven hundred forty-six".