123222525 has 24 divisors (see below), whose sum is σ = 205757664. Its totient is φ = 65064000.

The previous prime is 123222499. The next prime is 123222571. The reversal of 123222525 is 525222321.

It is not a de Polignac number, because 123222525 - 2⁸ = 123222269 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123222495 and 123222504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559 + ... + 15708.

It is an arithmetic number, because the mean of its divisors is an integer number (8573236).

Almost surely, 2^123222525 is an apocalyptic number.

123222525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123222525 is a deficient number, since it is larger than the sum of its proper divisors (82535139).

123222525 is a wasteful number, since it uses less digits than its factorization.

123222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16381 (or 16376 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 123222525 is about 11100.5641748517. The cubic root of 123222525 is about 497.6187102559.

Adding to 123222525 its reverse (525222321), we get a palindrome (648444846).

The spelling of 123222525 in words is "one hundred twenty-three million, two hundred twenty-two thousand, five hundred twenty-five".