113959187 has 2 divisors, whose sum is σ = 113959188. Its totient is φ = 113959186.

The previous prime is 113959171. The next prime is 113959199. The reversal of 113959187 is 781959311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113959187 - 2⁴ = 113959171 is a prime.

It is not a weakly prime, because it can be changed into another prime (113959117) 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 as a sum of consecutive naturals, namely, 56979593 + 56979594.

It is an arithmetic number, because the mean of its divisors is an integer number (56979594).

Almost surely, 2^113959187 is an apocalyptic number.

113959187 is a deficient number, since it is larger than the sum of its proper divisors (1).

113959187 is an equidigital number, since it uses as much as digits as its factorization.

113959187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 44.

The square root of 113959187 is about 10675.1668371038. The cubic root of 113959187 is about 484.8228878224.

The spelling of 113959187 in words is "one hundred thirteen million, nine hundred fifty-nine thousand, one hundred eighty-seven".