1273007868 has 48 divisors (see below), whose sum is σ = 3265941504. Its totient is φ = 382717440.

The previous prime is 1273007843. The next prime is 1273007891. The reversal of 1273007868 is 8687003721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21205 + ... + 54732.

It is an arithmetic number, because the mean of its divisors is an integer number (68040448).

Almost surely, 2^1273007868 is an apocalyptic number.

It is an amenable number.

1273007868 is an abundant number, since it is smaller than the sum of its proper divisors (1992933636).

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

1273007868 is a wasteful number, since it uses less digits than its factorization.

1273007868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76082 (or 76080 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1273007868 is about 35679.2358102020. The cubic root of 1273007868 is about 1083.7863975941.

The spelling of 1273007868 in words is "one billion, two hundred seventy-three million, seven thousand, eight hundred sixty-eight".