115291427 has 2 divisors, whose sum is σ = 115291428. Its totient is φ = 115291426.

The previous prime is 115291381. The next prime is 115291439. The reversal of 115291427 is 724192511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115291427 - 2²⁴ = 98514211 is a prime.

It is a super-2 number, since 2×115291427² = 26584226279392658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115291393 and 115291402.

It is not a weakly prime, because it can be changed into another prime (115291447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57645713 + 57645714.

It is an arithmetic number, because the mean of its divisors is an integer number (57645714).

Almost surely, 2^115291427 is an apocalyptic number.

115291427 is a deficient number, since it is larger than the sum of its proper divisors (1).

115291427 is an equidigital number, since it uses as much as digits as its factorization.

115291427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 115291427 is about 10737.3845511838. The cubic root of 115291427 is about 486.7048472474.

The spelling of 115291427 in words is "one hundred fifteen million, two hundred ninety-one thousand, four hundred twenty-seven".