1050043221 has 12 divisors (see below), whose sum is σ = 1517194848. Its totient is φ = 699813864.

The previous prime is 1050043217. The next prime is 1050043231. The reversal of 1050043221 is 1223400501.

It is not a de Polignac number, because 1050043221 - 2² = 1050043217 is a prime.

It is a super-2 number, since 2×1050043221² = 2205181531936109682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1050043194 and 1050043203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050043231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16506 + ... + 48708.

It is an arithmetic number, because the mean of its divisors is an integer number (126432904).

Almost surely, 2^1050043221 is an apocalyptic number.

It is an amenable number.

1050043221 is a deficient number, since it is larger than the sum of its proper divisors (467151627).

1050043221 is a wasteful number, since it uses less digits than its factorization.

1050043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35832 (or 35829 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1050043221 is about 32404.3703996853. The cubic root of 1050043221 is about 1016.4103025495.

Adding to 1050043221 its reverse (1223400501), we get a palindrome (2273443722).

The spelling of 1050043221 in words is "one billion, fifty million, forty-three thousand, two hundred twenty-one".