117012840 has 64 divisors (see below), whose sum is σ = 401189760. Its totient is φ = 26745600.

The previous prime is 117012827. The next prime is 117012851. The reversal of 117012840 is 48210711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 117012840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68811 + ... + 70490.

It is an arithmetic number, because the mean of its divisors is an integer number (6268590).

Almost surely, 2^117012840 is an apocalyptic number.

117012840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117012840 is an abundant number, since it is smaller than the sum of its proper divisors (284176920).

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

117012840 is a wasteful number, since it uses less digits than its factorization.

117012840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139322 (or 139318 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 117012840 is about 10817.2473393188. The cubic root of 117012840 is about 489.1152157618.

It can be divided in two parts, 11701 and 2840, that added together give a palindrome (14541).

The spelling of 117012840 in words is "one hundred seventeen million, twelve thousand, eight hundred forty".