115028121 has 16 divisors (see below), whose sum is σ = 165436544. Its totient is φ = 70671744.

The previous prime is 115028119. The next prime is 115028131. The reversal of 115028121 is 121820511.

It is not a de Polignac number, because 115028121 - 2¹ = 115028119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115028101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26325 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (10339784).

Almost surely, 2^115028121 is an apocalyptic number.

It is an amenable number.

115028121 is a deficient number, since it is larger than the sum of its proper divisors (50408423).

115028121 is a wasteful number, since it uses less digits than its factorization.

115028121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 115028121 is about 10725.1163630051. The cubic root of 115028121 is about 486.3340478071.

Adding to 115028121 its reverse (121820511), we get a palindrome (236848632).

The spelling of 115028121 in words is "one hundred fifteen million, twenty-eight thousand, one hundred twenty-one".