117281232 has 120 divisors (see below), whose sum is σ = 362816064. Its totient is φ = 35177472.

The previous prime is 117281221. The next prime is 117281233. The reversal of 117281232 is 232182711.

It is a junction number, because it is equal to n+sod(n) for n = 117281196 and 117281205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117281233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55263 + ... + 57345.

Almost surely, 2^117281232 is an apocalyptic number.

117281232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117281232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181408032).

117281232 is an abundant number, since it is smaller than the sum of its proper divisors (245534832).

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

117281232 is a wasteful number, since it uses less digits than its factorization.

117281232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2128 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 117281232 is about 10829.6459775932. The cubic root of 117281232 is about 489.4888909090.

The spelling of 117281232 in words is "one hundred seventeen million, two hundred eighty-one thousand, two hundred thirty-two".