115345121 has 4 divisors (see below), whose sum is σ = 115384752. Its totient is φ = 115305492.

The previous prime is 115345117. The next prime is 115345129. The reversal of 115345121 is 121543511.

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.

It is a cyclic number.

It is not a de Polignac number, because 115345121 - 2² = 115345117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115345129) 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 3 ways as a sum of consecutive naturals, for example, 15071 + ... + 21396.

It is an arithmetic number, because the mean of its divisors is an integer number (28846188).

Almost surely, 2^115345121 is an apocalyptic number.

It is an amenable number.

115345121 is a deficient number, since it is larger than the sum of its proper divisors (39631).

115345121 is an equidigital number, since it uses as much as digits as its factorization.

115345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39630.

The product of its digits is 600, while the sum is 23.

The square root of 115345121 is about 10739.8845896965. The cubic root of 115345121 is about 486.7803922521.

Adding to 115345121 its reverse (121543511), we get a palindrome (236888632).

The spelling of 115345121 in words is "one hundred fifteen million, three hundred forty-five thousand, one hundred twenty-one".