117112609 has 8 divisors (see below), whose sum is σ = 124277760. Its totient is φ = 109978176.

The previous prime is 117112603. The next prime is 117112627. The reversal of 117112609 is 906211711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117112609 - 2²¹ = 115015457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117112603) 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, 432 + ... + 15310.

It is an arithmetic number, because the mean of its divisors is an integer number (15534720).

Almost surely, 2^117112609 is an apocalyptic number.

It is an amenable number.

117112609 is a deficient number, since it is larger than the sum of its proper divisors (7165151).

117112609 is a wasteful number, since it uses less digits than its factorization.

117112609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15359.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 117112609 is about 10821.8579273616. The cubic root of 117112609 is about 489.2541881841.

The spelling of 117112609 in words is "one hundred seventeen million, one hundred twelve thousand, six hundred nine".