123251132 has 6 divisors (see below), whose sum is σ = 215689488. Its totient is φ = 61625564.

The previous prime is 123251113. The next prime is 123251137. The reversal of 123251132 is 231152321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123251137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15406388 + ... + 15406395.

It is an arithmetic number, because the mean of its divisors is an integer number (35948248).

Almost surely, 2^123251132 is an apocalyptic number.

It is an amenable number.

123251132 is a deficient number, since it is larger than the sum of its proper divisors (92438356).

123251132 is a wasteful number, since it uses less digits than its factorization.

123251132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30812787 (or 30812785 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 123251132 is about 11101.8526381861. The cubic root of 123251132 is about 497.6572158700.

The spelling of 123251132 in words is "one hundred twenty-three million, two hundred fifty-one thousand, one hundred thirty-two".