117297180 has 576 divisors, whose sum is σ = 514805760. Its totient is φ = 21772800.

The previous prime is 117297157. The next prime is 117297239. The reversal of 117297180 is 81792711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3783765 + ... + 3783795.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^117297180 is an apocalyptic number.

117297180 is a gapful number since it is divisible by the number (10) 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 117297180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257402880).

117297180 is an abundant number, since it is smaller than the sum of its proper divisors (397508580).

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

117297180 is a wasteful number, since it uses less digits than its factorization.

117297180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 117297180 is about 10830.3822647218. The cubic root of 117297180 is about 489.5110769396.

The spelling of 117297180 in words is "one hundred seventeen million, two hundred ninety-seven thousand, one hundred eighty".