123251264 has 14 divisors (see below), whose sum is σ = 244576854. Its totient is φ = 61625600.

The previous prime is 123251237. The next prime is 123251281. The reversal of 123251264 is 462152321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105678400 + 17572864 = 10280^2 + 4192^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 962837 + ... + 962964.

Almost surely, 2^123251264 is an apocalyptic number.

It is an amenable number.

123251264 is a deficient number, since it is larger than the sum of its proper divisors (121325590).

123251264 is an equidigital number, since it uses as much as digits as its factorization.

123251264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925813 (or 1925803 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 123251264 is about 11101.8585831382. The cubic root of 123251264 is about 497.6573935309.

The spelling of 123251264 in words is "one hundred twenty-three million, two hundred fifty-one thousand, two hundred sixty-four".