117420956 has 12 divisors (see below), whose sum is σ = 205580592. Its totient is φ = 58683648.

The previous prime is 117420949. The next prime is 117420959. The reversal of 117420956 is 659024711.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117420959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5681 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (17131716).

Almost surely, 2^117420956 is an apocalyptic number.

It is an amenable number.

117420956 is a deficient number, since it is larger than the sum of its proper divisors (88159636).

117420956 is a wasteful number, since it uses less digits than its factorization.

117420956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13418 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 117420956 is about 10836.0950531084. The cubic root of 117420956 is about 489.6831993596.

The spelling of 117420956 in words is "one hundred seventeen million, four hundred twenty thousand, nine hundred fifty-six".