1050271221 has 32 divisors (see below), whose sum is σ = 1493118720. Its totient is φ = 655603200.

The previous prime is 1050271217. The next prime is 1050271249. The reversal of 1050271221 is 1221720501.

It is not a de Polignac number, because 1050271221 - 2² = 1050271217 is a prime.

It is a super-2 number, since 2×1050271221² = 2206139275321661682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050271291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386056 + ... + 388766.

It is an arithmetic number, because the mean of its divisors is an integer number (46659960).

Almost surely, 2^1050271221 is an apocalyptic number.

It is an amenable number.

1050271221 is a deficient number, since it is larger than the sum of its proper divisors (442847499).

1050271221 is a wasteful number, since it uses less digits than its factorization.

1050271221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 1050271221 is about 32407.8882527079. Note that the first 3 decimals coincide. The cubic root of 1050271221 is about 1016.4838629432.

Adding to 1050271221 its reverse (1221720501), we get a palindrome (2271991722).

The spelling of 1050271221 in words is "one billion, fifty million, two hundred seventy-one thousand, two hundred twenty-one".