117481456 has 20 divisors (see below), whose sum is σ = 228110400. Its totient is φ = 58614272.

The previous prime is 117481451. The next prime is 117481519. The reversal of 117481456 is 654184711.

117481456 is a nontrivial binomial coefficient, being equal to C(15329, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117481451) 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 3 ways as a sum of consecutive naturals, for example, 1 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (11405520).

Almost surely, 2^117481456 is an apocalyptic number.

117481456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117481456 is the 15328-th triangular number.

117481456 is the 5110-th centered nonagonal number.

It is an amenable number.

117481456 is a deficient number, since it is larger than the sum of its proper divisors (110628944).

117481456 is a wasteful number, since it uses less digits than its factorization.

117481456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816 (or 15810 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 117481456 is about 10838.8862896517. The cubic root of 117481456 is about 489.7672864138.

The spelling of 117481456 in words is "one hundred seventeen million, four hundred eighty-one thousand, four hundred fifty-six".