125774728 has 16 divisors (see below), whose sum is σ = 237133260. Its totient is φ = 62539200.

The previous prime is 125774717. The next prime is 125774731. The reversal of 125774728 is 827477521.

It can be written as a sum of positive squares in 2 ways, for example, as 113678244 + 12096484 = 10662^2 + 3478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41983 + ... + 44878.

Almost surely, 2^125774728 is an apocalyptic number.

It is an amenable number.

125774728 is a deficient number, since it is larger than the sum of its proper divisors (111358532).

125774728 is a wasteful number, since it uses less digits than its factorization.

125774728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87048 (or 87044 counting only the distinct ones).

The product of its digits is 219520, while the sum is 43.

The square root of 125774728 is about 11214.9332588295. The cubic root of 125774728 is about 501.0308439277.

The spelling of 125774728 in words is "one hundred twenty-five million, seven hundred seventy-four thousand, seven hundred twenty-eight".