Okay, it's just a number but it has some intriguing aspects and, when multiplied and manipulated, it displays some truly amazing properties. For example:
142,857 x 1 = 142,857
142,857 x 2 = 285,714
142,857 x 3 = 428,571
142,857 x 4 = 571,428

Do you notice anything surprising about the resulting sums? They all contain the same digits which remain in the same position relative to one another. And that's not all...

Here are some more incredible aspects of 142,857