1142422439 has 2 divisors, whose sum is σ = 1142422440. Its totient is φ = 1142422438.

The previous prime is 1142422403. The next prime is 1142422441. The reversal of 1142422439 is 9342242411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142422439 is a prime.

Together with 1142422441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142422459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571211219 + 571211220.

It is an arithmetic number, because the mean of its divisors is an integer number (571211220).

Almost surely, 2^1142422439 is an apocalyptic number.

1142422439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142422439 is an equidigital number, since it uses as much as digits as its factorization.

1142422439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 1142422439 is about 33799.7402208952. The cubic root of 1142422439 is about 1045.3833408133.

The spelling of 1142422439 in words is "one billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred thirty-nine".