1320032899 has 2 divisors, whose sum is σ = 1320032900. Its totient is φ = 1320032898.

The previous prime is 1320032873. The next prime is 1320033059. The reversal of 1320032899 is 9982300231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320032899 - 2²¹ = 1317935747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320032849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660016449 + 660016450.

It is an arithmetic number, because the mean of its divisors is an integer number (660016450).

Almost surely, 2^1320032899 is an apocalyptic number.

1320032899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320032899 is an equidigital number, since it uses as much as digits as its factorization.

1320032899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1320032899 is about 36332.2570039352. The cubic root of 1320032899 is about 1096.9704237770.

The spelling of 1320032899 in words is "one billion, three hundred twenty million, thirty-two thousand, eight hundred ninety-nine".