115894187 has 2 divisors, whose sum is σ = 115894188. Its totient is φ = 115894186.

The previous prime is 115894153. The next prime is 115894189. The reversal of 115894187 is 781498511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115894187 - 2⁶ = 115894123 is a prime.

Together with 115894189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115894189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57947093 + 57947094.

It is an arithmetic number, because the mean of its divisors is an integer number (57947094).

Almost surely, 2^115894187 is an apocalyptic number.

115894187 is a deficient number, since it is larger than the sum of its proper divisors (1).

115894187 is an equidigital number, since it uses as much as digits as its factorization.

115894187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 44.

The square root of 115894187 is about 10765.4162483389. The cubic root of 115894187 is about 487.5515607967.

The spelling of 115894187 in words is "one hundred fifteen million, eight hundred ninety-four thousand, one hundred eighty-seven".