1300320239 has 2 divisors, whose sum is σ = 1300320240. Its totient is φ = 1300320238.

The previous prime is 1300320223. The next prime is 1300320313. The reversal of 1300320239 is 9320230031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300320239 - 2⁴ = 1300320223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300320209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650160119 + 650160120.

It is an arithmetic number, because the mean of its divisors is an integer number (650160120).

Almost surely, 2^1300320239 is an apocalyptic number.

1300320239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300320239 is an equidigital number, since it uses as much as digits as its factorization.

1300320239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1300320239 is about 36059.9533970858. The cubic root of 1300320239 is about 1091.4824927715.

The spelling of 1300320239 in words is "one billion, three hundred million, three hundred twenty thousand, two hundred thirty-nine".