1042442443 has 4 divisors (see below), whose sum is σ = 1191362800. Its totient is φ = 893522088.

The previous prime is 1042442441. The next prime is 1042442447. The reversal of 1042442443 is 3442442401.

1042442443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042442443 - 2¹ = 1042442441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042442441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74460168 + ... + 74460181.

It is an arithmetic number, because the mean of its divisors is an integer number (297840700).

Almost surely, 2^1042442443 is an apocalyptic number.

1042442443 is a deficient number, since it is larger than the sum of its proper divisors (148920357).

1042442443 is an equidigital number, since it uses as much as digits as its factorization.

1042442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148920356.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1042442443 is about 32286.8772568671. The cubic root of 1042442443 is about 1013.9519196625.

Adding to 1042442443 its reverse (3442442401), we get a palindrome (4484884844).

The spelling of 1042442443 in words is "one billion, forty-two million, four hundred forty-two thousand, four hundred forty-three".