1320276876 has 12 divisors (see below), whose sum is σ = 3080646072. Its totient is φ = 440092288.

The previous prime is 1320276857. The next prime is 1320276877. The reversal of 1320276876 is 6786720231.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1320276877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55011525 + ... + 55011548.

It is an arithmetic number, because the mean of its divisors is an integer number (256720506).

Almost surely, 2^1320276876 is an apocalyptic number.

It is an amenable number.

1320276876 is an abundant number, since it is smaller than the sum of its proper divisors (1760369196).

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

1320276876 is a wasteful number, since it uses less digits than its factorization.

1320276876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110023080 (or 110023078 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1320276876 is about 36335.6144299226. The cubic root of 1320276876 is about 1097.0380026650.

The spelling of 1320276876 in words is "one billion, three hundred twenty million, two hundred seventy-six thousand, eight hundred seventy-six".