1244024459 has 2 divisors, whose sum is σ = 1244024460. Its totient is φ = 1244024458.

The previous prime is 1244024429. The next prime is 1244024461. The reversal of 1244024459 is 9544204421.

It is a strong prime.

It is an emirp because it is prime and its reverse (9544204421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244024459 - 2²⁰ = 1242975883 is a prime.

Together with 1244024461, 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 (1244024429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622012229 + 622012230.

It is an arithmetic number, because the mean of its divisors is an integer number (622012230).

Almost surely, 2^1244024459 is an apocalyptic number.

1244024459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244024459 is an equidigital number, since it uses as much as digits as its factorization.

1244024459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1244024459 is about 35270.7309110543. The cubic root of 1244024459 is about 1075.4980807800.

The spelling of 1244024459 in words is "one billion, two hundred forty-four million, twenty-four thousand, four hundred fifty-nine".