115442771 has 2 divisors, whose sum is σ = 115442772. Its totient is φ = 115442770.

The previous prime is 115442759. The next prime is 115442777. The reversal of 115442771 is 177244511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115442771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115442777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57721385 + 57721386.

It is an arithmetic number, because the mean of its divisors is an integer number (57721386).

Almost surely, 2^115442771 is an apocalyptic number.

115442771 is a deficient number, since it is larger than the sum of its proper divisors (1).

115442771 is an equidigital number, since it uses as much as digits as its factorization.

115442771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 32.

The square root of 115442771 is about 10744.4297661626. The cubic root of 115442771 is about 486.9177212732.

The spelling of 115442771 in words is "one hundred fifteen million, four hundred forty-two thousand, seven hundred seventy-one".