1320516867 has 4 divisors (see below), whose sum is σ = 1760689160. Its totient is φ = 880344576.

The previous prime is 1320516839. The next prime is 1320516881. The reversal of 1320516867 is 7686150231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7686150231 = 3 ⋅2562050077.

It is not a de Polignac number, because 1320516867 - 2⁸ = 1320516611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320516817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 220086142 + ... + 220086147.

It is an arithmetic number, because the mean of its divisors is an integer number (440172290).

Almost surely, 2^1320516867 is an apocalyptic number.

1320516867 is a deficient number, since it is larger than the sum of its proper divisors (440172293).

1320516867 is an equidigital number, since it uses as much as digits as its factorization.

1320516867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440172292.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1320516867 is about 36338.9167009695. The cubic root of 1320516867 is about 1097.1044693537.

The spelling of 1320516867 in words is "one billion, three hundred twenty million, five hundred sixteen thousand, eight hundred sixty-seven".