115403087 has 2 divisors, whose sum is σ = 115403088. Its totient is φ = 115403086.

The previous prime is 115403083. The next prime is 115403143. The reversal of 115403087 is 780304511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115403087 - 2² = 115403083 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115403083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57701543 + 57701544.

It is an arithmetic number, because the mean of its divisors is an integer number (57701544).

Almost surely, 2^115403087 is an apocalyptic number.

115403087 is a deficient number, since it is larger than the sum of its proper divisors (1).

115403087 is an equidigital number, since it uses as much as digits as its factorization.

115403087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 115403087 is about 10742.5828830873. The cubic root of 115403087 is about 486.8619214536.

Adding to 115403087 its reverse (780304511), we get a palindrome (895707598).

The spelling of 115403087 in words is "one hundred fifteen million, four hundred three thousand, eighty-seven".