117238239 has 32 divisors (see below), whose sum is σ = 185149440. Its totient is φ = 73063296.

The previous prime is 117238223. The next prime is 117238241. The reversal of 117238239 is 932832711.

It is not a de Polignac number, because 117238239 - 2⁴ = 117238223 is a prime.

It is a super-2 number, since 2×117238239² = 27489609367642242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117238439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74034 + ... + 75600.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2^117238239 is an apocalyptic number.

117238239 is a deficient number, since it is larger than the sum of its proper divisors (67911201).

117238239 is a wasteful number, since it uses less digits than its factorization.

117238239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1750 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 117238239 is about 10827.6608277134. The cubic root of 117238239 is about 489.4290712556.

The spelling of 117238239 in words is "one hundred seventeen million, two hundred thirty-eight thousand, two hundred thirty-nine".