1588 = 2 x 2 x 397.
1588 has a representation as a sum of two squares: 1588 = 122 + 382.
1588 is the sum of the totient function for the first 72 integers.
1588 is the maximum number of regions into which 4-space can be divided by 13 hyperspheres (A059173).
1588 is the sum of the path lengths of all binary trees with 5 edges (A138156).
The 1588th triangular number (1,261,666) contains only the digits 1, 2, and 6 (A119104).
Source: On-Line Encyclopedia of Integer Sequences
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