125440772 has 6 divisors (see below), whose sum is σ = 219521358. Its totient is φ = 62720384.

The previous prime is 125440769. The next prime is 125440789. The reversal of 125440772 is 277044521.

It can be written as a sum of positive squares in only one way, i.e., 70324996 + 55115776 = 8386^2 + 7424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15680093 + ... + 15680100.

It is an arithmetic number, because the mean of its divisors is an integer number (36586893).

Almost surely, 2^125440772 is an apocalyptic number.

It is an amenable number.

125440772 is a deficient number, since it is larger than the sum of its proper divisors (94080586).

125440772 is a wasteful number, since it uses less digits than its factorization.

125440772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31360197 (or 31360195 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 125440772 is about 11200.0344642327. The cubic root of 125440772 is about 500.5870065769.

The spelling of 125440772 in words is "one hundred twenty-five million, four hundred forty thousand, seven hundred seventy-two".