115123225 has 24 divisors (see below), whose sum is σ = 163614528. Its totient is φ = 78715200.

The previous prime is 115123213. The next prime is 115123231. The reversal of 115123225 is 522321511.

It is not a de Polignac number, because 115123225 - 2⁷ = 115123097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115123196 and 115123205.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 79962 + ... + 81388.

It is an arithmetic number, because the mean of its divisors is an integer number (6817272).

Almost surely, 2^115123225 is an apocalyptic number.

It is an amenable number.

115123225 is a deficient number, since it is larger than the sum of its proper divisors (48491303).

115123225 is a wasteful number, since it uses less digits than its factorization.

115123225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1900 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 115123225 is about 10729.5491517584. The cubic root of 115123225 is about 486.4680427866.

Adding to 115123225 its reverse (522321511), we get a palindrome (637444736).

The spelling of 115123225 in words is "one hundred fifteen million, one hundred twenty-three thousand, two hundred twenty-five".