1233281264 has 20 divisors (see below), whose sum is σ = 2391123000. Its totient is φ = 616217280.

The previous prime is 1233281227. The next prime is 1233281281. The reversal of 1233281264 is 4621823321.

It is a super-2 number, since 2×1233281264² = 3041965352266875392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1233281264.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1727 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (119556150).

Almost surely, 2^1233281264 is an apocalyptic number.

It is an amenable number.

1233281264 is a deficient number, since it is larger than the sum of its proper divisors (1157841736).

1233281264 is a wasteful number, since it uses less digits than its factorization.

1233281264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52928 (or 52922 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1233281264 is about 35118.1045046569. The cubic root of 1233281264 is about 1072.3931829799.

The spelling of 1233281264 in words is "one billion, two hundred thirty-three million, two hundred eighty-one thousand, two hundred sixty-four".