117121472 has 112 divisors (see below), whose sum is σ = 273100800. Its totient is φ = 49351680.

The previous prime is 117121469. The next prime is 117121493. The reversal of 117121472 is 274121711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489929 + ... + 490167.

It is an arithmetic number, because the mean of its divisors is an integer number (2438400).

Almost surely, 2^117121472 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 117121472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136550400).

117121472 is an abundant number, since it is smaller than the sum of its proper divisors (155979328).

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

117121472 is a wasteful number, since it uses less digits than its factorization.

117121472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 304 counting only the distinct ones).

The product of its digits is 784, while the sum is 26.

The square root of 117121472 is about 10822.2674149182. The cubic root of 117121472 is about 489.2665300106.

The spelling of 117121472 in words is "one hundred seventeen million, one hundred twenty-one thousand, four hundred seventy-two".