123425115 has 32 divisors (see below), whose sum is σ = 218405376. Its totient is φ = 59016960.

The previous prime is 123425101. The next prime is 123425119. The reversal of 123425115 is 511524321.

It is a happy number.

It is not a de Polignac number, because 123425115 - 2⁹ = 123424603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123425119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6922 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (6825168).

Almost surely, 2^123425115 is an apocalyptic number.

123425115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123425115 is a deficient number, since it is larger than the sum of its proper divisors (94980261).

123425115 is a wasteful number, since it uses less digits than its factorization.

123425115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339.

The product of its digits is 1200, while the sum is 24.

The square root of 123425115 is about 11109.6856391169. The cubic root of 123425115 is about 497.8912723715.

Adding to 123425115 its reverse (511524321), we get a palindrome (634949436).

The spelling of 123425115 in words is "one hundred twenty-three million, four hundred twenty-five thousand, one hundred fifteen".