113871109 has 8 divisors (see below), whose sum is σ = 124356960. Its totient is φ = 103407600.

The previous prime is 113871073. The next prime is 113871119. The reversal of 113871109 is 901178311.

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

It is a cyclic number.

It is not a de Polignac number, because 113871109 - 2⁹ = 113870597 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 (113871119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6162 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (15544620).

Almost surely, 2^113871109 is an apocalyptic number.

It is an amenable number.

113871109 is a deficient number, since it is larger than the sum of its proper divisors (10485851).

113871109 is a wasteful number, since it uses less digits than its factorization.

113871109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171.

The product of its (nonzero) digits is 1512, while the sum is 31.

The square root of 113871109 is about 10671.0406708999. The cubic root of 113871109 is about 484.6979505896.

The spelling of 113871109 in words is "one hundred thirteen million, eight hundred seventy-one thousand, one hundred nine".