1320267967 has 2 divisors, whose sum is σ = 1320267968. Its totient is φ = 1320267966.

The previous prime is 1320267961. The next prime is 1320267979. The reversal of 1320267967 is 7697620231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320267967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320267961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660133983 + 660133984.

It is an arithmetic number, because the mean of its divisors is an integer number (660133984).

Almost surely, 2^1320267967 is an apocalyptic number.

1320267967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320267967 is an equidigital number, since it uses as much as digits as its factorization.

1320267967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 1320267967 is about 36335.4918364951. The cubic root of 1320267967 is about 1097.0355351185.

The spelling of 1320267967 in words is "one billion, three hundred twenty million, two hundred sixty-seven thousand, nine hundred sixty-seven".