125137172 has 12 divisors (see below), whose sum is σ = 221116896. Its totient is φ = 61960920.

The previous prime is 125137163. The next prime is 125137183. The reversal of 125137172 is 271731521.

It is a congruent number.

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, 151454 + ... + 152277.

It is an arithmetic number, because the mean of its divisors is an integer number (18426408).

Almost surely, 2^125137172 is an apocalyptic number.

It is an amenable number.

125137172 is a deficient number, since it is larger than the sum of its proper divisors (95979724).

125137172 is a wasteful number, since it uses less digits than its factorization.

125137172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303838 (or 303836 counting only the distinct ones).

The product of its digits is 2940, while the sum is 29.

The square root of 125137172 is about 11186.4727237856. The cubic root of 125137172 is about 500.1828291389.

Adding to 125137172 its reverse (271731521), we get a palindrome (396868693).

The spelling of 125137172 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, one hundred seventy-two".