117455121 has 24 divisors (see below), whose sum is σ = 194238720. Its totient is φ = 66998016.

The previous prime is 117455113. The next prime is 117455137. The reversal of 117455121 is 121554711.

It is not a de Polignac number, because 117455121 - 2³ = 117455113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117455141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44001 + ... + 46593.

It is an arithmetic number, because the mean of its divisors is an integer number (8093280).

Almost surely, 2^117455121 is an apocalyptic number.

It is an amenable number.

117455121 is a deficient number, since it is larger than the sum of its proper divisors (76783599).

117455121 is a wasteful number, since it uses less digits than its factorization.

117455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3322 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 117455121 is about 10837.6713827279. The cubic root of 117455121 is about 489.7306877715.

The spelling of 117455121 in words is "one hundred seventeen million, four hundred fifty-five thousand, one hundred twenty-one".