What should you choose, a guaranteed $1\, 000\, 000$ dollars or flip a coin for a chance to win the following?

Heads: $0$, tails: $2 \,000 \,000$ dollars

Heads: $0$, tails: $5\, 000\, 000$ dollars

Heads: $0$, tails: $10 \,000 \,000$ dollars

Assume you only get ONE coin flip.