The number "1,000,000" is known as one million. It is a large whole number that comes after 999,999 and before 1,000,001. In the decimal system, it is represented as 10^6, meaning it is 10 multiplied by itself six times. One million can be visualized in various ways, such as counting one million grains of rice or imagining a crowd of one million people. It is often used in finance, population statistics, and other fields to represent significant quantities, such as dollars, people, or items.