125700172 has 18 divisors (see below), whose sum is σ = 238199388. Its totient is φ = 58015152.

The previous prime is 125700167. The next prime is 125700173. The reversal of 125700172 is 271007521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125700173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92298 + ... + 93649.

Almost surely, 2^125700172 is an apocalyptic number.

It is an amenable number.

125700172 is a deficient number, since it is larger than the sum of its proper divisors (112499216).

125700172 is a wasteful number, since it uses less digits than its factorization.

125700172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185977 (or 185962 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 125700172 is about 11211.6088051626. The cubic root of 125700172 is about 500.9318249922.

Adding to 125700172 its reverse (271007521), we get a palindrome (396707693).

The spelling of 125700172 in words is "one hundred twenty-five million, seven hundred thousand, one hundred seventy-two".