117219994 has 16 divisors (see below), whose sum is σ = 180937800. Its totient is φ = 56929600.

The previous prime is 117219967. The next prime is 117219997. The reversal of 117219994 is 499912711.

It can be written as a sum of positive squares in 4 ways, for example, as 109307025 + 7912969 = 10455^2 + 2813^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117219994.

It is not an unprimeable number, because it can be changed into a prime (117219997) 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, 5232 + ... + 16180.

Almost surely, 2^117219994 is an apocalyptic number.

117219994 is a deficient number, since it is larger than the sum of its proper divisors (63717806).

117219994 is a wasteful number, since it uses less digits than its factorization.

117219994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105.

The product of its digits is 40824, while the sum is 43.

The square root of 117219994 is about 10826.8182768531. The cubic root of 117219994 is about 489.4036810851.

The spelling of 117219994 in words is "one hundred seventeen million, two hundred nineteen thousand, nine hundred ninety-four".