117801240 has 64 divisors (see below), whose sum is σ = 364815360. Its totient is φ = 30399360.

The previous prime is 117801227. The next prime is 117801251. The reversal of 117801240 is 42108711.

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 117801240.

It is a congruent number.

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, 12114 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 2^117801240 is an apocalyptic number.

117801240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117801240 is an abundant number, since it is smaller than the sum of its proper divisors (247014120).

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

117801240 is a wasteful number, since it uses less digits than its factorization.

117801240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31712 (or 31708 counting only the distinct ones).

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

The square root of 117801240 is about 10853.6279648788. The cubic root of 117801240 is about 490.2112652784.

Adding to 117801240 its reverse (42108711), we get a palindrome (159909951).

The spelling of 117801240 in words is "one hundred seventeen million, eight hundred one thousand, two hundred forty".