How many XLM to become a millionaire?

Could you please explain, how many Lumens (XLM) would one need to accumulate in order to become a millionaire? Given the current market conditions and fluctuations, is there a specific formula or estimation method that can assist in calculating this? Additionally, are there any factors that could significantly impact the number of Lumens required to achieve this milestone? Would it be advisable to diversify one's portfolio with other cryptocurrencies or traditional assets when aiming for such a goal?