1042442441 has 2 divisors, whose sum is σ = 1042442442. Its totient is φ = 1042442440.

The previous prime is 1042442419. The next prime is 1042442447. The reversal of 1042442441 is 1442442401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730566841 + 311875600 = 27029^2 + 17660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042442441 - 2¹⁰ = 1042441417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042442441.

It is not a weakly prime, because it can be changed into another prime (1042442447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521221220 + 521221221.

It is an arithmetic number, because the mean of its divisors is an integer number (521221221).

Almost surely, 2^1042442441 is an apocalyptic number.

It is an amenable number.

1042442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042442441 is an equidigital number, since it uses as much as digits as its factorization.

1042442441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1042442441 is about 32286.8772258947. The cubic root of 1042442441 is about 1013.9519190140.

Adding to 1042442441 its reverse (1442442401), we get a palindrome (2484884842).

The spelling of 1042442441 in words is "one billion, forty-two million, four hundred forty-two thousand, four hundred forty-one".