115045121 has 4 divisors (see below), whose sum is σ = 115076544. Its totient is φ = 115013700.

The previous prime is 115045111. The next prime is 115045127. The reversal of 115045121 is 121540511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121540511 = 19 ⋅6396869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115045121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115045093 and 115045102.

It is not an unprimeable number, because it can be changed into a prime (115045127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (28769136).

Almost surely, 2^115045121 is an apocalyptic number.

It is an amenable number.

115045121 is a deficient number, since it is larger than the sum of its proper divisors (31423).

115045121 is an equidigital number, since it uses as much as digits as its factorization.

115045121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31422.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 115045121 is about 10725.9088659190. The cubic root of 115045121 is about 486.3580050547.

Adding to 115045121 its reverse (121540511), we get a palindrome (236585632).

The spelling of 115045121 in words is "one hundred fifteen million, forty-five thousand, one hundred twenty-one".