117460920 has 64 divisors (see below), whose sum is σ = 353406240. Its totient is φ = 31232000.

The previous prime is 117460883. The next prime is 117460921. The reversal of 117460920 is 29064711.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117460921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46900 + ... + 49340.

Almost surely, 2^117460920 is an apocalyptic number.

117460920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117460920 is an abundant number, since it is smaller than the sum of its proper divisors (235945320).

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

117460920 is a wasteful number, since it uses less digits than its factorization.

117460920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 117460920 is about 10837.9389184475. The cubic root of 117460920 is about 489.7387473080.

The spelling of 117460920 in words is "one hundred seventeen million, four hundred sixty thousand, nine hundred twenty".