117604128 has 48 divisors (see below), whose sum is σ = 311623200. Its totient is φ = 38835008.

The previous prime is 117604127. The next prime is 117604139. The reversal of 117604128 is 821406711.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 117604095 and 117604104.

It is not an unprimeable number, because it can be changed into a prime (117604127) 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, 1099051 + ... + 1099157.

It is an arithmetic number, because the mean of its divisors is an integer number (6492150).

Almost surely, 2^117604128 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 117604128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155811600).

117604128 is an abundant number, since it is smaller than the sum of its proper divisors (194019072).

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

117604128 is an frugal number, since it uses more digits than its factorization.

117604128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 117604128 is about 10844.5436971779. The cubic root of 117604128 is about 489.9376958128.

The spelling of 117604128 in words is "one hundred seventeen million, six hundred four thousand, one hundred twenty-eight".