117708129 has 48 divisors (see below), whose sum is σ = 219323520. Its totient is φ = 59028480.

The previous prime is 117708121. The next prime is 117708167. The reversal of 117708129 is 921807711.

It is not a de Polignac number, because 117708129 - 2³ = 117708121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117708093 and 117708102.

It is not an unprimeable number, because it can be changed into a prime (117708121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17169 + ... + 23025.

It is an arithmetic number, because the mean of its divisors is an integer number (4569240).

Almost surely, 2^117708129 is an apocalyptic number.

It is an amenable number.

117708129 is a deficient number, since it is larger than the sum of its proper divisors (101615391).

117708129 is a wasteful number, since it uses less digits than its factorization.

117708129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5907 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 117708129 is about 10849.3377217229. The cubic root of 117708129 is about 490.0820756586.

The spelling of 117708129 in words is "one hundred seventeen million, seven hundred eight thousand, one hundred twenty-nine".