Input 1048576 (1024*1024) as the maximum size and it will be displayed as 1024KB in the general configuration. While it is still correct, it should display as 1MB, to be consistent with what gets displayed when 2097152 is specified.

Also, 1048577 is displayed as 1.00MB. That is correct, as value is rounded. However, this should have been value displayed when 1048576 is specified.