117756129 has 8 divisors (see below), whose sum is σ = 165271840. Its totient is φ = 74372256.

The previous prime is 117756109. The next prime is 117756131. The reversal of 117756129 is 921657711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117756129 - 2⁵ = 117756097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117756109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032892 + ... + 1033005.

It is an arithmetic number, because the mean of its divisors is an integer number (20658980).

Almost surely, 2^117756129 is an apocalyptic number.

117756129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117756129 is a deficient number, since it is larger than the sum of its proper divisors (47515711).

117756129 is a wasteful number, since it uses less digits than its factorization.

117756129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065919.

The product of its digits is 26460, while the sum is 39.

The square root of 117756129 is about 10851.5496128433. The cubic root of 117756129 is about 490.1486831874.

The spelling of 117756129 in words is "one hundred seventeen million, seven hundred fifty-six thousand, one hundred twenty-nine".