123792225 has 12 divisors (see below), whose sum is σ = 204669936. Its totient is φ = 66022480.

The previous prime is 123792217. The next prime is 123792247. The reversal of 123792225 is 522297321.

It is not a de Polignac number, because 123792225 - 2³ = 123792217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825207 + ... + 825356.

It is an arithmetic number, because the mean of its divisors is an integer number (17055828).

Almost surely, 2^123792225 is an apocalyptic number.

123792225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123792225 is a deficient number, since it is larger than the sum of its proper divisors (80877711).

123792225 is a wasteful number, since it uses less digits than its factorization.

123792225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650576 (or 1650571 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 123792225 is about 11126.1954413897. The cubic root of 123792225 is about 498.3844187502.

The spelling of 123792225 in words is "one hundred twenty-three million, seven hundred ninety-two thousand, two hundred twenty-five".