1042330043 has 4 divisors (see below), whose sum is σ = 1042607928. Its totient is φ = 1042052160.

The previous prime is 1042330033. The next prime is 1042330073. The reversal of 1042330043 is 3400332401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3400332401 = 17 ⋅200019553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042330043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042329997 and 1042330024.

It is not an unprimeable number, because it can be changed into a prime (1042330013) 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, 133238 + ... + 140843.

It is an arithmetic number, because the mean of its divisors is an integer number (260651982).

Almost surely, 2^1042330043 is an apocalyptic number.

1042330043 is a deficient number, since it is larger than the sum of its proper divisors (277885).

1042330043 is an equidigital number, since it uses as much as digits as its factorization.

1042330043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277884.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1042330043 is about 32285.1365646794. The cubic root of 1042330043 is about 1013.9154756705.

Adding to 1042330043 its reverse (3400332401), we get a palindrome (4442662444).

The spelling of 1042330043 in words is "one billion, forty-two million, three hundred thirty thousand, forty-three".