1320018079 has 2 divisors, whose sum is σ = 1320018080. Its totient is φ = 1320018078.

The previous prime is 1320018067. The next prime is 1320018113. The reversal of 1320018079 is 9708100231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9708100231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320018079 - 2¹¹ = 1320016031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320018079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320012079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660009039 + 660009040.

It is an arithmetic number, because the mean of its divisors is an integer number (660009040).

Almost surely, 2^1320018079 is an apocalyptic number.

1320018079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320018079 is an equidigital number, since it uses as much as digits as its factorization.

1320018079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1320018079 is about 36332.0530523669. The cubic root of 1320018079 is about 1096.9663185353.

The spelling of 1320018079 in words is "one billion, three hundred twenty million, eighteen thousand, seventy-nine".