125813572 has 6 divisors (see below), whose sum is σ = 220173758. Its totient is φ = 62906784.

The previous prime is 125813563. The next prime is 125813591. The reversal of 125813572 is 275318521.

It can be written as a sum of positive squares in only one way, i.e., 124411716 + 1401856 = 11154^2 + 1184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15726693 + ... + 15726700.

Almost surely, 2^125813572 is an apocalyptic number.

It is an amenable number.

125813572 is a deficient number, since it is larger than the sum of its proper divisors (94360186).

125813572 is a wasteful number, since it uses less digits than its factorization.

125813572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31453397 (or 31453395 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 125813572 is about 11216.6649232292. The cubic root of 125813572 is about 501.0824177195.

The spelling of 125813572 in words is "one hundred twenty-five million, eight hundred thirteen thousand, five hundred seventy-two".