172913124 has 24 divisors (see below), whose sum is σ = 403852960. Its totient is φ = 57582144.

The previous prime is 172913119. The next prime is 172913161. The reversal of 172913124 is 421319271.

172913124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172913091 and 172913100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7167 + ... + 19929.

Almost surely, 2^172913124 is an apocalyptic number.

It is an amenable number.

172913124 is an abundant number, since it is smaller than the sum of its proper divisors (230939836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172913124 is a wasteful number, since it uses less digits than its factorization.

172913124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899 (or 13897 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 172913124 is about 13149.6434932663. The cubic root of 172913124 is about 557.1121786808.

The spelling of 172913124 in words is "one hundred seventy-two million, nine hundred thirteen thousand, one hundred twenty-four".