1264259 has 2 divisors, whose sum is σ = 1264260. Its totient is φ = 1264258.

The previous prime is 1264231. The next prime is 1264261. The reversal of 1264259 is 9524621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264259 - 2¹² = 1260163 is a prime.

Together with 1264261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1264559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632129 + 632130.

It is an arithmetic number, because the mean of its divisors is an integer number (632130).

2^1264259 is an apocalyptic number.

1264259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264259 is an equidigital number, since it uses as much as digits as its factorization.

1264259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 1264259 is about 1124.3927249854. The cubic root of 1264259 is about 108.1297879533.

The spelling of 1264259 in words is "one million, two hundred sixty-four thousand, two hundred fifty-nine".