125388039 has 32 divisors (see below), whose sum is σ = 205770240. Its totient is φ = 66281472.

The previous prime is 125388037. The next prime is 125388061. The reversal of 125388039 is 930883521.

It is not a de Polignac number, because 125388039 - 2¹ = 125388037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125387988 and 125388006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125388031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18087 + ... + 24039.

It is an arithmetic number, because the mean of its divisors is an integer number (6430320).

Almost surely, 2^125388039 is an apocalyptic number.

125388039 is a deficient number, since it is larger than the sum of its proper divisors (80382201).

125388039 is a wasteful number, since it uses less digits than its factorization.

125388039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 125388039 is about 11197.6800722292. The cubic root of 125388039 is about 500.5168508796.

The spelling of 125388039 in words is "one hundred twenty-five million, three hundred eighty-eight thousand, thirty-nine".