123225492 has 48 divisors (see below), whose sum is σ = 312690560. Its totient is φ = 37542528.

The previous prime is 123225491. The next prime is 123225497. The reversal of 123225492 is 294522321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123225491) 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, 12234 + ... + 19902.

Almost surely, 2^123225492 is an apocalyptic number.

123225492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123225492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156345280).

123225492 is an abundant number, since it is smaller than the sum of its proper divisors (189465068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123225492 is a wasteful number, since it uses less digits than its factorization.

123225492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792 (or 7790 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 123225492 is about 11100.6978159033. The cubic root of 123225492 is about 497.6227041763.

The spelling of 123225492 in words is "one hundred twenty-three million, two hundred twenty-five thousand, four hundred ninety-two".