113885117 has 4 divisors (see below), whose sum is σ = 117812220. Its totient is φ = 109958016.

The previous prime is 113885099. The next prime is 113885137. The reversal of 113885117 is 711588311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711588311 = 7 ⋅101655473.

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 87403801 = 5146^2 + 9349^2 .

It is a cyclic number.

It is not a de Polignac number, because 113885117 - 2¹⁸ = 113622973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113885137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963508 + ... + 1963565.

It is an arithmetic number, because the mean of its divisors is an integer number (29453055).

Almost surely, 2^113885117 is an apocalyptic number.

It is an amenable number.

113885117 is a deficient number, since it is larger than the sum of its proper divisors (3927103).

113885117 is an equidigital number, since it uses as much as digits as its factorization.

113885117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927102.

The product of its digits is 6720, while the sum is 35.

The square root of 113885117 is about 10671.6970065684. The cubic root of 113885117 is about 484.7178250206.

The spelling of 113885117 in words is "one hundred thirteen million, eight hundred eighty-five thousand, one hundred seventeen".