1244124439 has 2 divisors, whose sum is σ = 1244124440. Its totient is φ = 1244124438.

The previous prime is 1244124419. The next prime is 1244124443. The reversal of 1244124439 is 9344214421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244124439 - 2¹¹ = 1244122391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244124419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622062219 + 622062220.

It is an arithmetic number, because the mean of its divisors is an integer number (622062220).

Almost surely, 2^1244124439 is an apocalyptic number.

1244124439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244124439 is an equidigital number, since it uses as much as digits as its factorization.

1244124439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 1244124439 is about 35272.1482050640. The cubic root of 1244124439 is about 1075.5268919545.

The spelling of 1244124439 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, four hundred thirty-nine".