1320542299 has 2 divisors, whose sum is σ = 1320542300. Its totient is φ = 1320542298.

The previous prime is 1320542273. The next prime is 1320542339. The reversal of 1320542299 is 9922450231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320542299 - 2⁹ = 1320541787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320543299) 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 as a sum of consecutive naturals, namely, 660271149 + 660271150.

It is an arithmetic number, because the mean of its divisors is an integer number (660271150).

Almost surely, 2^1320542299 is an apocalyptic number.

1320542299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320542299 is an equidigital number, since it uses as much as digits as its factorization.

1320542299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1320542299 is about 36339.2666271624. The cubic root of 1320542299 is about 1097.1115123994. Note that the first 3 decimals are identical.

The spelling of 1320542299 in words is "one billion, three hundred twenty million, five hundred forty-two thousand, two hundred ninety-nine".