117881492 has 12 divisors (see below), whose sum is σ = 207157440. Its totient is φ = 58693656.

The previous prime is 117881483. The next prime is 117881521. The reversal of 117881492 is 294188711.

It is a super-2 number, since 2×117881492² = 27792092312292128, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 60698 + ... + 62609.

It is an arithmetic number, because the mean of its divisors is an integer number (17263120).

Almost surely, 2^117881492 is an apocalyptic number.

It is an amenable number.

117881492 is a deficient number, since it is larger than the sum of its proper divisors (89275948).

117881492 is a wasteful number, since it uses less digits than its factorization.

117881492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123550 (or 123548 counting only the distinct ones).

The product of its digits is 32256, while the sum is 41.

The square root of 117881492 is about 10857.3243481071. The cubic root of 117881492 is about 490.3225586861.

The spelling of 117881492 in words is "one hundred seventeen million, eight hundred eighty-one thousand, four hundred ninety-two".