117215500 has 24 divisors (see below), whose sum is σ = 255999744. Its totient is φ = 46886000.

The previous prime is 117215471. The next prime is 117215513. The reversal of 117215500 is 5512711.

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, 116716 + ... + 117715.

It is an arithmetic number, because the mean of its divisors is an integer number (10666656).

Almost surely, 2^117215500 is an apocalyptic number.

117215500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117215500 is an abundant number, since it is smaller than the sum of its proper divisors (138784244).

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

117215500 is a wasteful number, since it uses less digits than its factorization.

117215500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234450 (or 234438 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 117215500 is about 10826.6107346667. The cubic root of 117215500 is about 489.3974267247.

The spelling of 117215500 in words is "one hundred seventeen million, two hundred fifteen thousand, five hundred".