1128284 has 6 divisors (see below), whose sum is σ = 1974504. Its totient is φ = 564140.

The previous prime is 1128251. The next prime is 1128287. The reversal of 1128284 is 4828211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141032 + ... + 141039.

It is an arithmetic number, because the mean of its divisors is an integer number (329084).

2^1128284 is an apocalyptic number.

It is an amenable number.

1128284 is a deficient number, since it is larger than the sum of its proper divisors (846220).

1128284 is a wasteful number, since it uses less digits than its factorization.

1128284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282075 (or 282073 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 1128284 is about 1062.2071361086. The cubic root of 1128284 is about 104.1052927707.

The spelling of 1128284 in words is "one million, one hundred twenty-eight thousand, two hundred eighty-four".