1144122439 has 2 divisors, whose sum is σ = 1144122440. Its totient is φ = 1144122438.

The previous prime is 1144122437. The next prime is 1144122443. The reversal of 1144122439 is 9342214411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144122439 - 2¹ = 1144122437 is a prime.

Together with 1144122437, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1144122439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144122433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572061219 + 572061220.

It is an arithmetic number, because the mean of its divisors is an integer number (572061220).

Almost surely, 2^1144122439 is an apocalyptic number.

1144122439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144122439 is an equidigital number, since it uses as much as digits as its factorization.

1144122439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 1144122439 is about 33824.8789946099. The cubic root of 1144122439 is about 1045.9016169606.

The spelling of 1144122439 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, four hundred thirty-nine".