1283319122 has 18 divisors (see below), whose sum is σ = 1957350213. Its totient is φ = 631045872.

The previous prime is 1283319119. The next prime is 1283319143. The reversal of 1283319122 is 2219133821.

It can be written as a sum of positive squares in 2 ways, for example, as 1277419081 + 5900041 = 35741^2 + 2429^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25331.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 3698153 + ... + 3698499.

Almost surely, 2^1283319122 is an apocalyptic number.

1283319122 is a deficient number, since it is larger than the sum of its proper divisors (674031091).

1283319122 is an frugal number, since it uses more digits than its factorization.

1283319122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 422 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1283319122 is about 35823.4437484729. The cubic root of 1283319122 is about 1086.7047244545.

Multiplying 1283319122 by its sum of digits (32), we get a square (41066211904 = 202648²).

The spelling of 1283319122 in words is "one billion, two hundred eighty-three million, three hundred nineteen thousand, one hundred twenty-two".