115243251 has 8 divisors (see below), whose sum is σ = 157405584. Its totient is φ = 74954880.

The previous prime is 115243241. The next prime is 115243267. The reversal of 115243251 is 152342511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115243251 - 2¹⁰ = 115242227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115243231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468346 + ... + 468591.

It is an arithmetic number, because the mean of its divisors is an integer number (19675698).

Almost surely, 2^115243251 is an apocalyptic number.

115243251 is a deficient number, since it is larger than the sum of its proper divisors (42162333).

115243251 is an equidigital number, since it uses as much as digits as its factorization.

115243251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936981.

The product of its digits is 1200, while the sum is 24.

The square root of 115243251 is about 10735.1409399225. The cubic root of 115243251 is about 486.6370458505.

Adding to 115243251 its reverse (152342511), we get a palindrome (267585762).

The spelling of 115243251 in words is "one hundred fifteen million, two hundred forty-three thousand, two hundred fifty-one".