113618121 has 8 divisors (see below), whose sum is σ = 152153280. Its totient is φ = 75414192.

The previous prime is 113618111. The next prime is 113618147. The reversal of 113618121 is 121816311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113618121 - 2⁷ = 113617993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113618091 and 113618100.

It is not an unprimeable number, because it can be changed into a prime (113618101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82005 + ... + 83378.

It is an arithmetic number, because the mean of its divisors is an integer number (19019160).

Almost surely, 2^113618121 is an apocalyptic number.

It is an amenable number.

113618121 is a deficient number, since it is larger than the sum of its proper divisors (38535159).

113618121 is a wasteful number, since it uses less digits than its factorization.

113618121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165615.

The product of its digits is 288, while the sum is 24.

The square root of 113618121 is about 10659.1801279461. The cubic root of 113618121 is about 484.3387324965.

The spelling of 113618121 in words is "one hundred thirteen million, six hundred eighteen thousand, one hundred twenty-one".