how do I display number in thousands; i.e diplay 123,500 as 124?

[excel2002]

how do I display a list of numbers in thousands? For instance, how to diplay
123,500 as 124 in a quick way, instead of putting formular of 123,500/1000?

Thanks!

 

[Duke Carey]

format the cell like so

#,##0,_),(#,##0,)