1042321442 has 16 divisors (see below), whose sum is σ = 1664607672. Its totient is φ = 487791360.

The previous prime is 1042321439. The next prime is 1042321447. The reversal of 1042321442 is 2441232401.

It can be written as a sum of positive squares in 4 ways, for example, as 601279441 + 441042001 = 24521^2 + 21001^2 .

It is not an unprimeable number, because it can be changed into a prime (1042321447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78533 + ... + 90840.

Almost surely, 2^1042321442 is an apocalyptic number.

1042321442 is a deficient number, since it is larger than the sum of its proper divisors (622286230).

1042321442 is a wasteful number, since it uses less digits than its factorization.

1042321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169573.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1042321442 is about 32285.0033606936. The cubic root of 1042321442 is about 1013.9126868190.

Adding to 1042321442 its reverse (2441232401), we get a palindrome (3483553843).

The spelling of 1042321442 in words is "one billion, forty-two million, three hundred twenty-one thousand, four hundred forty-two".