123225115 has 16 divisors (see below), whose sum is σ = 161493696. Its totient is φ = 89712000.

The previous prime is 123225107. The next prime is 123225119. The reversal of 123225115 is 511522321.

It is not a de Polignac number, because 123225115 - 2³ = 123225107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123225119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8736 + ... + 17965.

It is an arithmetic number, because the mean of its divisors is an integer number (10093356).

Almost surely, 2^123225115 is an apocalyptic number.

123225115 is a deficient number, since it is larger than the sum of its proper divisors (38268581).

123225115 is a wasteful number, since it uses less digits than its factorization.

123225115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26790.

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

The square root of 123225115 is about 11100.6808349758. The cubic root of 123225115 is about 497.6221966949.

Adding to 123225115 its reverse (511522321), we get a palindrome (634747436).

The spelling of 123225115 in words is "one hundred twenty-three million, two hundred twenty-five thousand, one hundred fifteen".