115230191 has 2 divisors, whose sum is σ = 115230192. Its totient is φ = 115230190.

The previous prime is 115230187. The next prime is 115230221. The reversal of 115230191 is 191032511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115230191 - 2² = 115230187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115239191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57615095 + 57615096.

It is an arithmetic number, because the mean of its divisors is an integer number (57615096).

Almost surely, 2^115230191 is an apocalyptic number.

115230191 is a deficient number, since it is larger than the sum of its proper divisors (1).

115230191 is an equidigital number, since it uses as much as digits as its factorization.

115230191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 115230191 is about 10734.5326400361. The cubic root of 115230191 is about 486.6186623592.

The spelling of 115230191 in words is "one hundred fifteen million, two hundred thirty thousand, one hundred ninety-one".