117408172 has 12 divisors (see below), whose sum is σ = 234816400. Its totient is φ = 50317776.

The previous prime is 117408131. The next prime is 117408199. The reversal of 117408172 is 271804711.

117408172 is an admirable 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, 2096547 + ... + 2096602.

Almost surely, 2^117408172 is an apocalyptic number.

It is an amenable number.

117408172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117408172 is a wasteful number, since it uses less digits than its factorization.

117408172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193160 (or 4193158 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 117408172 is about 10835.5051566597. The cubic root of 117408172 is about 489.6654275823.

The spelling of 117408172 in words is "one hundred seventeen million, four hundred eight thousand, one hundred seventy-two".