1320486876 has 36 divisors (see below), whose sum is σ = 3345242992. Its totient is φ = 439193664.

The previous prime is 1320486851. The next prime is 1320486887. The reversal of 1320486876 is 6786840231.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 23680 + ... + 56583.

Almost surely, 2^1320486876 is an apocalyptic number.

It is an amenable number.

1320486876 is an abundant number, since it is smaller than the sum of its proper divisors (2024756116).

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

1320486876 is a wasteful number, since it uses less digits than its factorization.

1320486876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80730 (or 80725 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1320486876 is about 36338.5040418562. The cubic root of 1320486876 is about 1097.0961636390.

The spelling of 1320486876 in words is "one billion, three hundred twenty million, four hundred eighty-six thousand, eight hundred seventy-six".