113042987 has 2 divisors, whose sum is σ = 113042988. Its totient is φ = 113042986.

The previous prime is 113042977. The next prime is 113043017. The reversal of 113042987 is 789240311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113042987 - 2⁸ = 113042731 is a prime.

It is a super-3 number, since 3×113042987³ (a number of 25 digits) contains 333 as substring.

It is equal to p_6467363 and since 113042987 and 6467363 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (113042977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56521493 + 56521494.

It is an arithmetic number, because the mean of its divisors is an integer number (56521494).

Almost surely, 2^113042987 is an apocalyptic number.

113042987 is a deficient number, since it is larger than the sum of its proper divisors (1).

113042987 is an equidigital number, since it uses as much as digits as its factorization.

113042987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 113042987 is about 10632.1675588753. The cubic root of 113042987 is about 483.5201100835.

The spelling of 113042987 in words is "one hundred thirteen million, forty-two thousand, nine hundred eighty-seven".