117620256 has 96 divisors (see below), whose sum is σ = 336994560. Its totient is φ = 35702784.

The previous prime is 117620227. The next prime is 117620281. The reversal of 117620256 is 652026711.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 97996 + ... + 99188.

It is an arithmetic number, because the mean of its divisors is an integer number (3510360).

Almost surely, 2^117620256 is an apocalyptic number.

117620256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117620256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168497280).

117620256 is an abundant number, since it is smaller than the sum of its proper divisors (219374304).

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

117620256 is a wasteful number, since it uses less digits than its factorization.

117620256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 117620256 is about 10845.2872714373. The cubic root of 117620256 is about 489.9600911548.

Adding to 117620256 its reverse (652026711), we get a palindrome (769646967).

It can be divided in two parts, 11 and 7620256, that added together give a palindrome (7620267).

The spelling of 117620256 in words is "one hundred seventeen million, six hundred twenty thousand, two hundred fifty-six".