125725239 has 12 divisors (see below), whose sum is σ = 181794600. Its totient is φ = 83728464.

The previous prime is 125725231. The next prime is 125725247. The reversal of 125725239 is 932527521.

125725239 is a `hidden beast` number, since 1 + 2 + 572 + 52 + 39 = 666.

It is an interprime number because it is at equal distance from previous prime (125725231) and next prime (125725247).

It is not a de Polignac number, because 125725239 - 2³ = 125725231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125725231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2317 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (15149550).

Almost surely, 2^125725239 is an apocalyptic number.

125725239 is a deficient number, since it is larger than the sum of its proper divisors (56069361).

125725239 is a wasteful number, since it uses less digits than its factorization.

125725239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734 (or 14731 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 125725239 is about 11212.7266532276. The cubic root of 125725239 is about 500.9651212168.

The spelling of 125725239 in words is "one hundred twenty-five million, seven hundred twenty-five thousand, two hundred thirty-nine".