117811194 has 16 divisors (see below), whose sum is σ = 237911232. Its totient is φ = 38888928.

The previous prime is 117811193. The next prime is 117811231. The reversal of 117811194 is 491118711.

It is not an unprimeable number, because it can be changed into a prime (117811193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94699 + ... + 95934.

It is an arithmetic number, because the mean of its divisors is an integer number (14869452).

Almost surely, 2^117811194 is an apocalyptic number.

117811194 is an abundant number, since it is smaller than the sum of its proper divisors (120100038).

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

117811194 is a wasteful number, since it uses less digits than its factorization.

117811194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190741.

The product of its digits is 2016, while the sum is 33.

The square root of 117811194 is about 10854.0865115403. The cubic root of 117811194 is about 490.2250722228.

The spelling of 117811194 in words is "one hundred seventeen million, eight hundred eleven thousand, one hundred ninety-four".