125912938 has 4 divisors (see below), whose sum is σ = 188869410. Its totient is φ = 62956468.

The previous prime is 125912921. The next prime is 125912951. The reversal of 125912938 is 839219521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 14040009 = 10577^2 + 3747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125912938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31478233 + ... + 31478236.

Almost surely, 2^125912938 is an apocalyptic number.

125912938 is a deficient number, since it is larger than the sum of its proper divisors (62956472).

125912938 is an equidigital number, since it uses as much as digits as its factorization.

125912938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62956471.

The product of its digits is 38880, while the sum is 40.

The square root of 125912938 is about 11221.0934404807. The cubic root of 125912938 is about 501.2142992341.

The spelling of 125912938 in words is "one hundred twenty-five million, nine hundred twelve thousand, nine hundred thirty-eight".