117994242 has 32 divisors (see below), whose sum is σ = 241747200. Its totient is φ = 38383488.

The previous prime is 117994241. The next prime is 117994259. The reversal of 117994242 is 242499711.

It is a super-2 number, since 2×117994242² = 27845282290309128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117994242.

It is not an unprimeable number, because it can be changed into a prime (117994241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40788 + ... + 43584.

It is an arithmetic number, because the mean of its divisors is an integer number (7554600).

Almost surely, 2^117994242 is an apocalyptic number.

117994242 is an abundant number, since it is smaller than the sum of its proper divisors (123752958).

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

117994242 is a wasteful number, since it uses less digits than its factorization.

117994242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its digits is 36288, while the sum is 39.

The square root of 117994242 is about 10862.5154545345. The cubic root of 117994242 is about 490.4788349914.

The spelling of 117994242 in words is "one hundred seventeen million, nine hundred ninety-four thousand, two hundred forty-two".