123331252 has 12 divisors (see below), whose sum is σ = 235450656. Its totient is φ = 56059640.

The previous prime is 123331231. The next prime is 123331291. The reversal of 123331252 is 252133321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401448 + ... + 1401535.

It is an arithmetic number, because the mean of its divisors is an integer number (19620888).

Almost surely, 2^123331252 is an apocalyptic number.

It is an amenable number.

123331252 is a deficient number, since it is larger than the sum of its proper divisors (112119404).

123331252 is a wasteful number, since it uses less digits than its factorization.

123331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802998 (or 2802996 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 123331252 is about 11105.4604587113. The cubic root of 123331252 is about 497.7650273464.

Adding to 123331252 its reverse (252133321), we get a palindrome (375464573).

The spelling of 123331252 in words is "one hundred twenty-three million, three hundred thirty-one thousand, two hundred fifty-two".