1224442039 has 2 divisors, whose sum is σ = 1224442040. Its totient is φ = 1224442038.

The previous prime is 1224442027. The next prime is 1224442057. The reversal of 1224442039 is 9302444221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1224442039 - 2⁹ = 1224441527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224442039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224442069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612221019 + 612221020.

It is an arithmetic number, because the mean of its divisors is an integer number (612221020).

Almost surely, 2^1224442039 is an apocalyptic number.

1224442039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224442039 is an equidigital number, since it uses as much as digits as its factorization.

1224442039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1224442039 is about 34992.0282207248. The cubic root of 1224442039 is about 1069.8250038441.

The spelling of 1224442039 in words is "one billion, two hundred twenty-four million, four hundred forty-two thousand, thirty-nine".