115221253 has 16 divisors (see below), whose sum is σ = 134812800. Its totient is φ = 96436800.

The previous prime is 115221251. The next prime is 115221289. The reversal of 115221253 is 352122511.

It is a cyclic number.

It is not a de Polignac number, because 115221253 - 2¹ = 115221251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115221251) 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 15 ways as a sum of consecutive naturals, for example, 62718 + ... + 64528.

It is an arithmetic number, because the mean of its divisors is an integer number (8425800).

Almost surely, 2^115221253 is an apocalyptic number.

It is an amenable number.

115221253 is a deficient number, since it is larger than the sum of its proper divisors (19591547).

115221253 is a wasteful number, since it uses less digits than its factorization.

115221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its digits is 600, while the sum is 22.

The square root of 115221253 is about 10734.1163120212. The cubic root of 115221253 is about 486.6060802687.

Adding to 115221253 its reverse (352122511), we get a palindrome (467343764).

The spelling of 115221253 in words is "one hundred fifteen million, two hundred twenty-one thousand, two hundred fifty-three".