117754129 has 4 divisors (see below), whose sum is σ = 120259584. Its totient is φ = 115248676.

The previous prime is 117754111. The next prime is 117754171. The reversal of 117754129 is 921457711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 921457711 = 5651 ⋅163061.

It is a cyclic number.

It is not a de Polignac number, because 117754129 - 2⁵ = 117754097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117754199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252657 + ... + 1252750.

It is an arithmetic number, because the mean of its divisors is an integer number (30064896).

Almost surely, 2^117754129 is an apocalyptic number.

It is an amenable number.

117754129 is a deficient number, since it is larger than the sum of its proper divisors (2505455).

117754129 is an equidigital number, since it uses as much as digits as its factorization.

117754129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505454.

The product of its digits is 17640, while the sum is 37.

The square root of 117754129 is about 10851.4574597148. The cubic root of 117754129 is about 490.1459082351.

The spelling of 117754129 in words is "one hundred seventeen million, seven hundred fifty-four thousand, one hundred twenty-nine".