117391112 has 8 divisors (see below), whose sum is σ = 220108350. Its totient is φ = 58695552.

The previous prime is 117391111. The next prime is 117391117. The reversal of 117391112 is 211193711.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 52330756 = 8066^2 + 7234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (117391111) 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 as a sum of consecutive naturals, namely, 7336937 + ... + 7336952.

Almost surely, 2^117391112 is an apocalyptic number.

It is an amenable number.

117391112 is a deficient number, since it is larger than the sum of its proper divisors (102717238).

117391112 is a wasteful number, since it uses less digits than its factorization.

117391112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673895 (or 14673891 counting only the distinct ones).

The product of its digits is 378, while the sum is 26.

The square root of 117391112 is about 10834.7179012654. The cubic root of 117391112 is about 489.6417094808.

The spelling of 117391112 in words is "one hundred seventeen million, three hundred ninety-one thousand, one hundred twelve".