117055720 has 32 divisors (see below), whose sum is σ = 266099400. Its totient is φ = 46338048.

The previous prime is 117055711. The next prime is 117055739. The reversal of 117055720 is 27550711.

It can be written as a sum of positive squares in 4 ways, for example, as 94984516 + 22071204 = 9746^2 + 4698^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11205 + ... + 18964.

Almost surely, 2^117055720 is an apocalyptic number.

117055720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117055720 is an abundant number, since it is smaller than the sum of its proper divisors (149043680).

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

117055720 is a wasteful number, since it uses less digits than its factorization.

117055720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30277 (or 30273 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 117055720 is about 10819.2291777187. The cubic root of 117055720 is about 489.1749547872.

The spelling of 117055720 in words is "one hundred seventeen million, fifty-five thousand, seven hundred twenty".