117131872 has 108 divisors (see below), whose sum is σ = 276004260. Its totient is φ = 48871680.

The previous prime is 117131867. The next prime is 117131881. The reversal of 117131872 is 278131711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 654279 + ... + 654457.

It is an arithmetic number, because the mean of its divisors is an integer number (2555595).

Almost surely, 2^117131872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117131872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138002130).

117131872 is an abundant number, since it is smaller than the sum of its proper divisors (158872388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117131872 is a wasteful number, since it uses less digits than its factorization.

117131872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 205 counting only the distinct ones).

The product of its digits is 2352, while the sum is 31.

The square root of 117131872 is about 10822.7478950588. The cubic root of 117131872 is about 489.2810113327.

The spelling of 117131872 in words is "one hundred seventeen million, one hundred thirty-one thousand, eight hundred seventy-two".