115431273 has 12 divisors (see below), whose sum is σ = 173983680. Its totient is φ = 73608216.

The previous prime is 115431271. The next prime is 115431287. The reversal of 115431273 is 372134511.

It is not a de Polignac number, because 115431273 - 2¹ = 115431271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115431271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278613 + ... + 279026.

It is an arithmetic number, because the mean of its divisors is an integer number (14498640).

Almost surely, 2^115431273 is an apocalyptic number.

It is an amenable number.

115431273 is a deficient number, since it is larger than the sum of its proper divisors (58552407).

115431273 is a wasteful number, since it uses less digits than its factorization.

115431273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557668 (or 557665 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 115431273 is about 10743.8946848896. The cubic root of 115431273 is about 486.9015552087.

Adding to 115431273 its reverse (372134511), we get a palindrome (487565784).

The spelling of 115431273 in words is "one hundred fifteen million, four hundred thirty-one thousand, two hundred seventy-three".