115942487 has 2 divisors, whose sum is σ = 115942488. Its totient is φ = 115942486.

The previous prime is 115942457. The next prime is 115942501. The reversal of 115942487 is 784249511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115942487 - 2⁸ = 115942231 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 (115942447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57971243 + 57971244.

It is an arithmetic number, because the mean of its divisors is an integer number (57971244).

Almost surely, 2^115942487 is an apocalyptic number.

115942487 is a deficient number, since it is larger than the sum of its proper divisors (1).

115942487 is an equidigital number, since it uses as much as digits as its factorization.

115942487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 115942487 is about 10767.6593092464. The cubic root of 115942487 is about 487.6192819665.

It can be divided in two parts, 1159424 and 87, that added together give a palindrome (1159511).

The spelling of 115942487 in words is "one hundred fifteen million, nine hundred forty-two thousand, four hundred eighty-seven".