1121028 has 12 divisors (see below), whose sum is σ = 2615760. Its totient is φ = 373672.

The previous prime is 1121027. The next prime is 1121033. The reversal of 1121028 is 8201211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120998 and 1121016.

It is not an unprimeable number, because it can be changed into a prime (1121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46698 + ... + 46721.

It is an arithmetic number, because the mean of its divisors is an integer number (217980).

2^1121028 is an apocalyptic number.

It is an amenable number.

1121028 is an abundant number, since it is smaller than the sum of its proper divisors (1494732).

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

1121028 is a wasteful number, since it uses less digits than its factorization.

1121028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93426 (or 93424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1121028 is about 1058.7860973776. The cubic root of 1121028 is about 103.8816454396.

Adding to 1121028 its reverse (8201211), we get a palindrome (9322239).

The spelling of 1121028 in words is "one million, one hundred twenty-one thousand, twenty-eight".