117546920 has 32 divisors (see below), whose sum is σ = 278402400. Its totient is φ = 44543808.

The previous prime is 117546893. The next prime is 117546929. The reversal of 117546920 is 29645711.

It is not an unprimeable number, because it can be changed into a prime (117546929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76574 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (8700075).

Almost surely, 2^117546920 is an apocalyptic number.

117546920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117546920 is an abundant number, since it is smaller than the sum of its proper divisors (160855480).

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

117546920 is a wasteful number, since it uses less digits than its factorization.

117546920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154697 (or 154693 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 117546920 is about 10841.9057365391. The cubic root of 117546920 is about 489.8582402638.

The spelling of 117546920 in words is "one hundred seventeen million, five hundred forty-six thousand, nine hundred twenty".