117120965 has 16 divisors (see below), whose sum is σ = 151915008. Its totient is φ = 86170176.

The previous prime is 117120923. The next prime is 117120967. The reversal of 117120965 is 569021711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117120965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117120967) 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, 15212 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (9494688).

Almost surely, 2^117120965 is an apocalyptic number.

It is an amenable number.

117120965 is a deficient number, since it is larger than the sum of its proper divisors (34794043).

117120965 is a wasteful number, since it uses less digits than its factorization.

117120965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 117120965 is about 10822.2439909660. The cubic root of 117120965 is about 489.2658240242.

The spelling of 117120965 in words is "one hundred seventeen million, one hundred twenty thousand, nine hundred sixty-five".