1268424259 has 2 divisors, whose sum is σ = 1268424260. Its totient is φ = 1268424258.

The previous prime is 1268424253. The next prime is 1268424317. The reversal of 1268424259 is 9524248621.

It is a weak prime.

It is an emirp because it is prime and its reverse (9524248621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1268424259 - 2⁹ = 1268423747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1268424253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634212129 + 634212130.

It is an arithmetic number, because the mean of its divisors is an integer number (634212130).

Almost surely, 2^1268424259 is an apocalyptic number.

1268424259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268424259 is an equidigital number, since it uses as much as digits as its factorization.

1268424259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The square root of 1268424259 is about 35614.9443211694. The cubic root of 1268424259 is about 1082.4840680575.

The spelling of 1268424259 in words is "one billion, two hundred sixty-eight million, four hundred twenty-four thousand, two hundred fifty-nine".