Perry Como's And I Love You So reached number 1 on January 26th for a week. It stayed on the chart for 109 weeks.
Singles 1969-73 by The Carpenters reached number 1 on February 2nd for 4 weeks and stayed on the chart for 125.
Released this month
Old, New, Borrowed and Blue by Slade, a future number 1, charted for 16 weeks.