And how did you come up with that figure ?

Bitcoin is going to be worth whatever it will be worth, according to supply and demand. Right now, Bitcoin is in the news. Gold is not in the news. People all over the world are jumping in. There is Bitcoin fever. So there is more demand than there are persons selling Bitcoin. I don't know how high Bitcoin might go, but why only one million? Maybe ONE SATOSHI will be worth $100 dollars, if there is enough demand and not enough supply. It doesn't matter if it is "crazy"... it only matters if there is somebody who wants to pay that much for it.