117835420 has 24 divisors (see below), whose sum is σ = 248202864. Its totient is φ = 46991616.

The previous prime is 117835409. The next prime is 117835427. The reversal of 117835420 is 24538711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117835427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 15481.

It is an arithmetic number, because the mean of its divisors is an integer number (10341786).

Almost surely, 2^117835420 is an apocalyptic number.

117835420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117835420 is an abundant number, since it is smaller than the sum of its proper divisors (130367444).

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

117835420 is a wasteful number, since it uses less digits than its factorization.

117835420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17829 (or 17827 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 117835420 is about 10855.2024393836. The cubic root of 117835420 is about 490.2586722519.

The spelling of 117835420 in words is "one hundred seventeen million, eight hundred thirty-five thousand, four hundred twenty".