113207987 has 2 divisors, whose sum is σ = 113207988. Its totient is φ = 113207986.

The previous prime is 113207959. The next prime is 113208059. The reversal of 113207987 is 789702311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113207987 - 2⁶ = 113207923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113207987.

It is not a weakly prime, because it can be changed into another prime (113207917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56603993 + 56603994.

It is an arithmetic number, because the mean of its divisors is an integer number (56603994).

Almost surely, 2^113207987 is an apocalyptic number.

113207987 is a deficient number, since it is larger than the sum of its proper divisors (1).

113207987 is an equidigital number, since it uses as much as digits as its factorization.

113207987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 113207987 is about 10639.9242008578. The cubic root of 113207987 is about 483.7552478693.

The spelling of 113207987 in words is "one hundred thirteen million, two hundred seven thousand, nine hundred eighty-seven".