1128228 has 24 divisors (see below), whose sum is σ = 2654400. Its totient is φ = 372960.

The previous prime is 1128227. The next prime is 1128233. The reversal of 1128228 is 8228211.

It is a junction number, because it is equal to n+sod(n) for n = 1128198 and 1128207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128223) 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, 1473 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (110600).

2^1128228 is an apocalyptic number.

It is an amenable number.

1128228 is an abundant number, since it is smaller than the sum of its proper divisors (1526172).

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

1128228 is a wasteful number, since it uses less digits than its factorization.

1128228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 785 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 1128228 is about 1062.1807755745. The cubic root of 1128228 is about 104.1035703932.

The spelling of 1128228 in words is "one million, one hundred twenty-eight thousand, two hundred twenty-eight".