117508 has 12 divisors (see below), whose sum is σ = 212940. Its totient is φ = 56672.

The previous prime is 117503. The next prime is 117511. The reversal of 117508 is 805711.

It can be written as a sum of positive squares in 2 ways, for example, as 20164 + 97344 = 142^2 + 312^2 .

It is not an unprimeable number, because it can be changed into a prime (117503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 622.

It is an arithmetic number, because the mean of its divisors is an integer number (17745).

2¹¹⁷⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

117508 is a deficient number, since it is larger than the sum of its proper divisors (95432).

117508 is a wasteful number, since it uses less digits than its factorization.

117508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 117508 is about 342.7943990208. The cubic root of 117508 is about 48.9804169976.

It can be divided in two parts, 117 and 508, that added together give a 4-th power (625 = 5⁴).

The spelling of 117508 in words is "one hundred seventeen thousand, five hundred eight".