There's another 168,100 of IRA millionaire, though.

"The number of 401(k) and IRA millionaires increased. The number of people with $1 million or more in their 401(k) increased to 180,000, up from 133,800 at the end of Q4, while the number of IRA millionaires increased to 168,100, up from 138,800 last quarter."