117931107 has 32 divisors (see below), whose sum is σ = 182822400. Its totient is φ = 66233088.

The previous prime is 117931087. The next prime is 117931123. The reversal of 117931107 is 701139711.

It is a happy number.

It is not a de Polignac number, because 117931107 - 2¹¹ = 117929059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117931127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514869 + ... + 515097.

It is an arithmetic number, because the mean of its divisors is an integer number (5713200).

Almost surely, 2^117931107 is an apocalyptic number.

117931107 is a deficient number, since it is larger than the sum of its proper divisors (64891293).

117931107 is a wasteful number, since it uses less digits than its factorization.

117931107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 1323, while the sum is 30.

The square root of 117931107 is about 10859.6089708608. The cubic root of 117931107 is about 490.3913394622.

The spelling of 117931107 in words is "one hundred seventeen million, nine hundred thirty-one thousand, one hundred seven".