1283143672 has 16 divisors (see below), whose sum is σ = 2406738600. Its totient is φ = 641346720.

The previous prime is 1283143649. The next prime is 1283143681. The reversal of 1283143672 is 2763413821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547 + ... + 50722.

Almost surely, 2^1283143672 is an apocalyptic number.

It is an amenable number.

1283143672 is a deficient number, since it is larger than the sum of its proper divisors (1123594928).

1283143672 is a wasteful number, since it uses less digits than its factorization.

1283143672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56286 (or 56282 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 1283143672 is about 35820.9948493897. The cubic root of 1283143672 is about 1086.6551989623.

The spelling of 1283143672 in words is "one billion, two hundred eighty-three million, one hundred forty-three thousand, six hundred seventy-two".