117357172 has 12 divisors (see below), whose sum is σ = 207295200. Its totient is φ = 58129976.

The previous prime is 117357169. The next prime is 117357173. The reversal of 117357172 is 271753711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117357173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136672 + ... + 137527.

It is an arithmetic number, because the mean of its divisors is an integer number (17274600).

Almost surely, 2^117357172 is an apocalyptic number.

It is an amenable number.

117357172 is a deficient number, since it is larger than the sum of its proper divisors (89938028).

117357172 is a wasteful number, since it uses less digits than its factorization.

117357172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274310 (or 274308 counting only the distinct ones).

The product of its digits is 10290, while the sum is 34.

The square root of 117357172 is about 10833.1515266796. The cubic root of 117357172 is about 489.5945166932.

The spelling of 117357172 in words is "one hundred seventeen million, three hundred fifty-seven thousand, one hundred seventy-two".