1283227572 has 24 divisors (see below), whose sum is σ = 3266397792. Its totient is φ = 388856800.

The previous prime is 1283227549. The next prime is 1283227591. The reversal of 1283227572 is 2757223821.

It is a self number, because there is not a number n which added to its sum of digits gives 1283227572.

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 7 ways as a sum of consecutive naturals, for example, 4860579 + ... + 4860842.

It is an arithmetic number, because the mean of its divisors is an integer number (136099908).

Almost surely, 2^1283227572 is an apocalyptic number.

1283227572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1283227572 is an abundant number, since it is smaller than the sum of its proper divisors (1983170220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283227572 is a wasteful number, since it uses less digits than its factorization.

1283227572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721439 (or 9721437 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 1283227572 is about 35822.1659311661. The cubic root of 1283227572 is about 1086.6788825622.

It can be divided in two parts, 12832 and 27572, that added together give a palindrome (40404).

The spelling of 1283227572 in words is "one billion, two hundred eighty-three million, two hundred twenty-seven thousand, five hundred seventy-two".