115412251 has 4 divisors (see below), whose sum is σ = 121486600. Its totient is φ = 109337904.

The previous prime is 115412243. The next prime is 115412273. The reversal of 115412251 is 152214511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115412251 - 2³ = 115412243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115412281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037146 + ... + 3037183.

It is an arithmetic number, because the mean of its divisors is an integer number (30371650).

Almost surely, 2^115412251 is an apocalyptic number.

115412251 is a deficient number, since it is larger than the sum of its proper divisors (6074349).

115412251 is an equidigital number, since it uses as much as digits as its factorization.

115412251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074348.

The product of its digits is 400, while the sum is 22.

The square root of 115412251 is about 10743.0094014666. The cubic root of 115412251 is about 486.8748081237.

Adding to 115412251 its reverse (152214511), we get a palindrome (267626762).

The spelling of 115412251 in words is "one hundred fifteen million, four hundred twelve thousand, two hundred fifty-one".