117812292 has 48 divisors (see below), whose sum is σ = 304057152. Its totient is φ = 35268480.

The previous prime is 117812281. The next prime is 117812333. The reversal of 117812292 is 292218711.

It is a super-2 number, since 2×117812292² = 27759472292586528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4434 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (6334524).

Almost surely, 2^117812292 is an apocalyptic number.

117812292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117812292 is an abundant number, since it is smaller than the sum of its proper divisors (186244860).

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

117812292 is a wasteful number, since it uses less digits than its factorization.

117812292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468 (or 20466 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 117812292 is about 10854.1370914504. The cubic root of 117812292 is about 490.2265951835.

The spelling of 117812292 in words is "one hundred seventeen million, eight hundred twelve thousand, two hundred ninety-two".