1021443122 has 24 divisors (see below), whose sum is σ = 1788447276. Its totient is φ = 436255008.

The previous prime is 1021443107. The next prime is 1021443169. The reversal of 1021443122 is 2213441201.

It can be written as a sum of positive squares in 2 ways, for example, as 1013085241 + 8357881 = 31829^2 + 2891^2 .

It is a super-2 number, since 2×1021443122² = 2086692102962213768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021443094 and 1021443103.

It is an unprimeable number.

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, 10928 + ... + 46500.

Almost surely, 2^1021443122 is an apocalyptic number.

1021443122 is a deficient number, since it is larger than the sum of its proper divisors (767004154).

1021443122 is a wasteful number, since it uses less digits than its factorization.

1021443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882 (or 35875 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1021443122 is about 31960.0238110049. The cubic root of 1021443122 is about 1007.0972176712.

Adding to 1021443122 its reverse (2213441201), we get a palindrome (3234884323).

The spelling of 1021443122 in words is "one billion, twenty-one million, four hundred forty-three thousand, one hundred twenty-two".