115881427 has 4 divisors (see below), whose sum is σ = 116592520. Its totient is φ = 115170336.

The previous prime is 115881407. The next prime is 115881439. The reversal of 115881427 is 724188511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724188511 = 23 ⋅31486457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115881427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115881407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355302 + ... + 355627.

It is an arithmetic number, because the mean of its divisors is an integer number (29148130).

Almost surely, 2^115881427 is an apocalyptic number.

115881427 is a deficient number, since it is larger than the sum of its proper divisors (711093).

115881427 is an equidigital number, since it uses as much as digits as its factorization.

115881427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711092.

The product of its digits is 17920, while the sum is 37.

The square root of 115881427 is about 10764.8235935384. The cubic root of 115881427 is about 487.5336669276.

The spelling of 115881427 in words is "one hundred fifteen million, eight hundred eighty-one thousand, four hundred twenty-seven".