If you move the number 1 from the left to the right, the new number will be three times of the original number______ .

If you move the number 1 from the left to the right, the new number will be three times of the original number______ .

Let the middle five digits be x, 10x + 1 = (100000 + x) × 3, 7x = 299999, x = 42857, so the original number is 142857, so the answer is 142857