117920940 has 48 divisors (see below), whose sum is σ = 335784960. Its totient is φ = 30911680.

The previous prime is 117920939. The next prime is 117920947. The reversal of 117920940 is 49029711.

It is not an unprimeable number, because it can be changed into a prime (117920947) 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 15 ways as a sum of consecutive naturals, for example, 13116 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (6995520).

Almost surely, 2^117920940 is an apocalyptic number.

117920940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117920940 is an abundant number, since it is smaller than the sum of its proper divisors (217864020).

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

117920940 is a wasteful number, since it uses less digits than its factorization.

117920940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33382 (or 33380 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 117920940 is about 10859.1408499936. The cubic root of 117920940 is about 490.3772466240.

The spelling of 117920940 in words is "one hundred seventeen million, nine hundred twenty thousand, nine hundred forty".