1042321043 has 8 divisors (see below), whose sum is σ = 1073880912. Its totient is φ = 1010939616.

The previous prime is 1042321037. The next prime is 1042321067. The reversal of 1042321043 is 3401232401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042321043 - 2²⁰ = 1041272467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042221043) 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, 32705 + ... + 56162.

It is an arithmetic number, because the mean of its divisors is an integer number (134235114).

Almost surely, 2^1042321043 is an apocalyptic number.

1042321043 is a deficient number, since it is larger than the sum of its proper divisors (31559869).

1042321043 is an equidigital number, since it uses as much as digits as its factorization.

1042321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89221.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1042321043 is about 32284.9971813534. The cubic root of 1042321043 is about 1013.9125574440.

Adding to 1042321043 its reverse (3401232401), we get a palindrome (4443553444).

The spelling of 1042321043 in words is "one billion, forty-two million, three hundred twenty-one thousand, forty-three".