1283128 has 32 divisors (see below), whose sum is σ = 3000960. Its totient is φ = 499680.

The previous prime is 1283119. The next prime is 1283129. The reversal of 1283128 is 8213821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (93780).

2^1283128 is an apocalyptic number.

It is an amenable number.

1283128 is an abundant number, since it is smaller than the sum of its proper divisors (1717832).

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

1283128 is a wasteful number, since it uses less digits than its factorization.

1283128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2103 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 1283128 is about 1132.7524001299. The cubic root of 1283128 is about 108.6650774898.

Adding to 1283128 its reverse (8213821), we get a palindrome (9496949).

The spelling of 1283128 in words is "one million, two hundred eighty-three thousand, one hundred twenty-eight".