How to write 1 million dollars in numbers?

Excuse me, I'm trying to write an amount in numbers, but I'm not quite sure how to do it correctly. Could you please tell me how to write 1 million dollars in numbers? I'm not very familiar with the financial notation and I want to make sure I get it right. It's important for me to be precise with this amount, so I appreciate your help. Could you explain it to me step by step? Thank you in advance for your assistance.