117929 has 8 divisors (see below), whose sum is σ = 142848. Its totient is φ = 95040.

The previous prime is 117917. The next prime is 117937. The reversal of 117929 is 929711.

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 117929 - 2⁸ = 117673 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117959) 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, 377 + ... + 614.

It is an arithmetic number, because the mean of its divisors is an integer number (17856).

2¹¹⁷⁹²⁹ is an apocalyptic number.

It is an amenable number.

117929 is a deficient number, since it is larger than the sum of its proper divisors (24919).

117929 is an equidigital number, since it uses as much as digits as its factorization.

117929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its digits is 1134, while the sum is 29.

The square root of 117929 is about 343.4079207007. The cubic root of 117929 is about 49.0388418942.

It can be divided in two parts, 1179 and 29, that multiplied together give a triangular number (34191 = T₂₆₁).

The spelling of 117929 in words is "one hundred seventeen thousand, nine hundred twenty-nine".