You could check out the appropriately named coolserialnumbers.com which lists a whole range of interesting patterns with fancy names like Double Quads and Super Repeaters, (click "Fancy Serial #s" on left sidebar). Unfortunately, I don't think your number corresponds to any of them. They will do an appraisal, but for an up-front fee of $2 ... which for a $1 bill makes it a bit of a crapshoot!
Also, as the saying goes, Google (or Duck Duck Go or whoever) is your friend here. Something like "dollar bills unusual numbers" gets a lot of hits.
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