115106121 has 12 divisors (see below), whose sum is σ = 179054148. Its totient is φ = 70834464.

The previous prime is 115106119. The next prime is 115106137. The reversal of 115106121 is 121601511.

It is a happy number.

115106121 is a `hidden beast` number, since 1 + 1 + 51 + 0 + 612 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50126400 + 64979721 = 7080^2 + 8061^2 .

It is not a de Polignac number, because 115106121 - 2¹ = 115106119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115106094 and 115106103.

It is not an unprimeable number, because it can be changed into a prime (115106111) 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 11 ways as a sum of consecutive naturals, for example, 491790 + ... + 492023.

It is an arithmetic number, because the mean of its divisors is an integer number (14921179).

Almost surely, 2^115106121 is an apocalyptic number.

It is an amenable number.

115106121 is a deficient number, since it is larger than the sum of its proper divisors (63948027).

115106121 is a wasteful number, since it uses less digits than its factorization.

115106121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983832 (or 983829 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 115106121 is about 10728.7520709540. The cubic root of 115106121 is about 486.4439498737.

Adding to 115106121 its reverse (121601511), we get a palindrome (236707632).

The spelling of 115106121 in words is "one hundred fifteen million, one hundred six thousand, one hundred twenty-one".