1042320142 has 16 divisors (see below), whose sum is σ = 1583971200. Its totient is φ = 514343032.

The previous prime is 1042320119. The next prime is 1042320143. The reversal of 1042320142 is 2410232401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042320143) by changing a digit.

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, 190359 + ... + 195757.

It is an arithmetic number, because the mean of its divisors is an integer number (98998200).

Almost surely, 2^1042320142 is an apocalyptic number.

1042320142 is a deficient number, since it is larger than the sum of its proper divisors (541651058).

1042320142 is a wasteful number, since it uses less digits than its factorization.

1042320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1042320142 is about 32284.9832275007. The cubic root of 1042320142 is about 1013.9122652961.

Adding to 1042320142 its reverse (2410232401), we get a palindrome (3452552543).

The spelling of 1042320142 in words is "one billion, forty-two million, three hundred twenty thousand, one hundred forty-two".