115411121 has 6 divisors (see below), whose sum is σ = 134253810. Its totient is φ = 98923776.

The previous prime is 115411067. The next prime is 115411133. The reversal of 115411121 is 121114511.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 10962721 = 10220^2 + 3311^2 .

It is not a de Polignac number, because 115411121 - 2⁶ = 115411057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115411121.

It is not an unprimeable number, because it can be changed into a prime (115411421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1177616 + ... + 1177713.

It is an arithmetic number, because the mean of its divisors is an integer number (22375635).

Almost surely, 2^115411121 is an apocalyptic number.

It is an amenable number.

115411121 is a deficient number, since it is larger than the sum of its proper divisors (18842689).

115411121 is an equidigital number, since it uses as much as digits as its factorization.

115411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355343 (or 2355336 counting only the distinct ones).

The product of its digits is 40, while the sum is 17.

The square root of 115411121 is about 10742.9568089982. The cubic root of 115411121 is about 486.8732191234.

Adding to 115411121 its reverse (121114511), we get a palindrome (236525632).

The spelling of 115411121 in words is "one hundred fifteen million, four hundred eleven thousand, one hundred twenty-one".