117725431 has 8 divisors (see below), whose sum is σ = 122978304. Its totient is φ = 112483800.

The previous prime is 117725417. The next prime is 117725437. The reversal of 117725431 is 134527711.

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

It is not a de Polignac number, because 117725431 - 2¹⁷ = 117594359 is a prime.

It is a super-2 number, since 2×117725431² = 27718554208271522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117725393 and 117725402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117725437) 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, 24250 + ... + 28696.

It is an arithmetic number, because the mean of its divisors is an integer number (15372288).

Almost surely, 2^117725431 is an apocalyptic number.

117725431 is a deficient number, since it is larger than the sum of its proper divisors (5252873).

117725431 is a wasteful number, since it uses less digits than its factorization.

117725431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621.

The product of its digits is 5880, while the sum is 31.

The square root of 117725431 is about 10850.1350682837. The cubic root of 117725431 is about 490.1060869843.

The spelling of 117725431 in words is "one hundred seventeen million, seven hundred twenty-five thousand, four hundred thirty-one".