1260230399 has 2 divisors, whose sum is σ = 1260230400. Its totient is φ = 1260230398.

The previous prime is 1260230393. The next prime is 1260230401. The reversal of 1260230399 is 9930320621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260230399 - 2⁸ = 1260230143 is a prime.

It is a Sophie Germain prime.

Together with 1260230401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260230393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630115199 + 630115200.

It is an arithmetic number, because the mean of its divisors is an integer number (630115200).

Almost surely, 2^1260230399 is an apocalyptic number.

1260230399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260230399 is an equidigital number, since it uses as much as digits as its factorization.

1260230399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1260230399 is about 35499.7239285040. The cubic root of 1260230399 is about 1080.1481275450.

The spelling of 1260230399 in words is "one billion, two hundred sixty million, two hundred thirty thousand, three hundred ninety-nine".