115431227 has 4 divisors (see below), whose sum is σ = 120450000. Its totient is φ = 110412456.

The previous prime is 115431209. The next prime is 115431271. The reversal of 115431227 is 722134511.

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 115431227 - 2²⁴ = 98654011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115431196 and 115431205.

It is not an unprimeable number, because it can be changed into a prime (115431287) 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, 2509352 + ... + 2509397.

It is an arithmetic number, because the mean of its divisors is an integer number (30112500).

Almost surely, 2^115431227 is an apocalyptic number.

115431227 is a deficient number, since it is larger than the sum of its proper divisors (5018773).

115431227 is an equidigital number, since it uses as much as digits as its factorization.

115431227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018772.

The product of its digits is 1680, while the sum is 26.

The square root of 115431227 is about 10743.8925441387. The cubic root of 115431227 is about 486.9014905310.

Adding to 115431227 its reverse (722134511), we get a palindrome (837565738).

The spelling of 115431227 in words is "one hundred fifteen million, four hundred thirty-one thousand, two hundred twenty-seven".