123112425 has 24 divisors (see below), whose sum is σ = 203863936. Its totient is φ = 65557440.

The previous prime is 123112421. The next prime is 123112427. The reversal of 123112425 is 524211321.

It is not a de Polignac number, because 123112425 - 2² = 123112421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92112 + ... + 93438.

Almost surely, 2^123112425 is an apocalyptic number.

123112425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123112425 is a deficient number, since it is larger than the sum of its proper divisors (80751511).

123112425 is a wasteful number, since it uses less digits than its factorization.

123112425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2572 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 123112425 is about 11095.6038591868. The cubic root of 123112425 is about 497.4704577460.

Adding to 123112425 its reverse (524211321), we get a palindrome (647323746).

The spelling of 123112425 in words is "one hundred twenty-three million, one hundred twelve thousand, four hundred twenty-five".