117157120 has 36 divisors (see below), whose sum is σ = 280630980. Its totient is φ = 46862336.

The previous prime is 117157093. The next prime is 117157141. The reversal of 117157120 is 21751711.

It can be written as a sum of positive squares in 2 ways, for example, as 16516096 + 100641024 = 4064^2 + 10032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44485 + ... + 47044.

It is an arithmetic number, because the mean of its divisors is an integer number (7795305).

Almost surely, 2^117157120 is an apocalyptic number.

117157120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117157120 is an abundant number, since it is smaller than the sum of its proper divisors (163473860).

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

117157120 is an frugal number, since it uses more digits than its factorization.

117157120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91550 (or 91536 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 117157120 is about 10823.9142642576. The cubic root of 117157120 is about 489.3161639610.

The spelling of 117157120 in words is "one hundred seventeen million, one hundred fifty-seven thousand, one hundred twenty".