113281879 has 4 divisors (see below), whose sum is σ = 113392576. Its totient is φ = 113171184.

The previous prime is 113281873. The next prime is 113281907. The reversal of 113281879 is 978182311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978182311 = 199 ⋅4915489.

It is a cyclic number.

It is not a de Polignac number, because 113281879 - 2⁹ = 113281367 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 (113281873) 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 in 3 ways as a sum of consecutive naturals, for example, 53799 + ... + 55864.

It is an arithmetic number, because the mean of its divisors is an integer number (28348144).

Almost surely, 2^113281879 is an apocalyptic number.

113281879 is a deficient number, since it is larger than the sum of its proper divisors (110697).

113281879 is a wasteful number, since it uses less digits than its factorization.

113281879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110696.

The product of its digits is 24192, while the sum is 40.

The square root of 113281879 is about 10643.3960275844. The cubic root of 113281879 is about 483.8604756286.

The spelling of 113281879 in words is "one hundred thirteen million, two hundred eighty-one thousand, eight hundred seventy-nine".