113005887 has 4 divisors (see below), whose sum is σ = 150674520. Its totient is φ = 75337256.

The previous prime is 113005883. The next prime is 113005891. The reversal of 113005887 is 788500311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788500311 = 3 ⋅262833437.

It is an interprime number because it is at equal distance from previous prime (113005883) and next prime (113005891).

It is a cyclic number.

It is not a de Polignac number, because 113005887 - 2² = 113005883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113005883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18834312 + ... + 18834317.

It is an arithmetic number, because the mean of its divisors is an integer number (37668630).

Almost surely, 2^113005887 is an apocalyptic number.

113005887 is a deficient number, since it is larger than the sum of its proper divisors (37668633).

113005887 is an equidigital number, since it uses as much as digits as its factorization.

113005887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37668632.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 113005887 is about 10630.4227103159. The cubic root of 113005887 is about 483.4672082056.

The spelling of 113005887 in words is "one hundred thirteen million, five thousand, eight hundred eighty-seven".