1142042422 has 16 divisors (see below), whose sum is σ = 1818588672. Its totient is φ = 536022400.

The previous prime is 1142042389. The next prime is 1142042453. The reversal of 1142042422 is 2242402411.

It is a junction number, because it is equal to n+sod(n) for n = 1142042393 and 1142042402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30829 + ... + 56872.

It is an arithmetic number, because the mean of its divisors is an integer number (113661792).

Almost surely, 2^1142042422 is an apocalyptic number.

1142042422 is a deficient number, since it is larger than the sum of its proper divisors (676546250).

1142042422 is a wasteful number, since it uses less digits than its factorization.

1142042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88103.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1142042422 is about 33794.1181568627. The cubic root of 1142042422 is about 1045.2674153656.

Adding to 1142042422 its reverse (2242402411), we get a palindrome (3384444833).

The spelling of 1142042422 in words is "one billion, one hundred forty-two million, forty-two thousand, four hundred twenty-two".