115069987 has 2 divisors, whose sum is σ = 115069988. Its totient is φ = 115069986.

The previous prime is 115069979. The next prime is 115070017. The reversal of 115069987 is 789960511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115069987 - 2³ = 115069979 is a prime.

It is a super-2 number, since 2×115069987² = 26482203816360338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115069907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57534993 + 57534994.

It is an arithmetic number, because the mean of its divisors is an integer number (57534994).

Almost surely, 2^115069987 is an apocalyptic number.

115069987 is a deficient number, since it is larger than the sum of its proper divisors (1).

115069987 is an equidigital number, since it uses as much as digits as its factorization.

115069987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 115069987 is about 10727.0679591396. The cubic root of 115069987 is about 486.3930432115.

The spelling of 115069987 in words is "one hundred fifteen million, sixty-nine thousand, nine hundred eighty-seven".