1050021443 has 2 divisors, whose sum is σ = 1050021444. Its totient is φ = 1050021442.

The previous prime is 1050021421. The next prime is 1050021481. The reversal of 1050021443 is 3441200501.

1050021443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050021443 is a prime.

It is a super-2 number, since 2×1050021443² = 2205090061519604498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050021403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525010721 + 525010722.

It is an arithmetic number, because the mean of its divisors is an integer number (525010722).

Almost surely, 2^1050021443 is an apocalyptic number.

1050021443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050021443 is an equidigital number, since it uses as much as digits as its factorization.

1050021443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1050021443 is about 32404.0343630234. The cubic root of 1050021443 is about 1016.4032756843.

Adding to 1050021443 its reverse (3441200501), we get a palindrome (4491221944).

The spelling of 1050021443 in words is "one billion, fifty million, twenty-one thousand, four hundred forty-three".