123249224 has 32 divisors (see below), whose sum is σ = 265896000. Its totient is φ = 52463040.

The previous prime is 123249199. The next prime is 123249229. The reversal of 123249224 is 422942321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123249229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (8309250).

Almost surely, 2^123249224 is an apocalyptic number.

123249224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123249224 is an abundant number, since it is smaller than the sum of its proper divisors (142646776).

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

123249224 is a wasteful number, since it uses less digits than its factorization.

123249224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933 (or 14929 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 123249224 is about 11101.7667062500. The cubic root of 123249224 is about 497.6546478479.

The spelling of 123249224 in words is "one hundred twenty-three million, two hundred forty-nine thousand, two hundred twenty-four".