Has an AFL game ever ended 124-22?
Exactly once. On August 17, 1901, Melbourne beat St Kilda 124-22, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 124-22 in league history.
That makes 124-22 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 125-22 has happened never and 124-23 has happened never.