125671239 has 24 divisors (see below), whose sum is σ = 190990800. Its totient is φ = 79511040.

The previous prime is 125671211. The next prime is 125671243. The reversal of 125671239 is 932176521.

It is not a de Polignac number, because 125671239 - 2¹⁶ = 125605703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125671289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11319 + ... + 19479.

It is an arithmetic number, because the mean of its divisors is an integer number (7957950).

Almost surely, 2^125671239 is an apocalyptic number.

125671239 is a deficient number, since it is larger than the sum of its proper divisors (65319561).

125671239 is a wasteful number, since it uses less digits than its factorization.

125671239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255 (or 8252 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 125671239 is about 11210.3184165304. The cubic root of 125671239 is about 500.8933880980.

The spelling of 125671239 in words is "one hundred twenty-five million, six hundred seventy-one thousand, two hundred thirty-nine".