117112385 has 16 divisors (see below), whose sum is σ = 152080320. Its totient is φ = 86063040.

The previous prime is 117112381. The next prime is 117112397. The reversal of 117112385 is 583211711.

It is not a de Polignac number, because 117112385 - 2² = 117112381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117112381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9446 + ... + 17984.

It is an arithmetic number, because the mean of its divisors is an integer number (9505020).

Almost surely, 2^117112385 is an apocalyptic number.

It is an amenable number.

117112385 is a deficient number, since it is larger than the sum of its proper divisors (34967935).

117112385 is a wasteful number, since it uses less digits than its factorization.

117112385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768.

The product of its digits is 1680, while the sum is 29.

The square root of 117112385 is about 10821.8475779323. The cubic root of 117112385 is about 489.2538762535.

The spelling of 117112385 in words is "one hundred seventeen million, one hundred twelve thousand, three hundred eighty-five".