125331023504 has 20 divisors (see below), whose sum is σ = 242873363964. Its totient is φ = 62654026368.

The previous prime is 125331023491. The next prime is 125331023527. The reversal of 125331023504 is 405320133521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91658773504 + 33672250000 = 302752^2 + 183500^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627467 + ... + 802730.

Almost surely, 2^125331023504 is an apocalyptic number.

It is an amenable number.

125331023504 is a deficient number, since it is larger than the sum of its proper divisors (117542340460).

125331023504 is a wasteful number, since it uses less digits than its factorization.

125331023504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435682 (or 1435676 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 125331023504 in words is "one hundred twenty-five billion, three hundred thirty-one million, twenty-three thousand, five hundred four".