No. It is rational, AND it is an integer. Integers are the numbers - positive, negative, or zero - which have no decimals.
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It is rational and it is an integer.
Every integer is a rational number.
Yes a rational number is one which can be represented by one integer over another (possibly the same) integer which cannot be zero. 1 2/7 = (1×7+2)/7 = 9/7 (as an improper fraction) 9/7 is one integer over another integer, so it is a rational number.
Integers are rational. So is this, but it's not an integer.
009 = 9 is an integer and not a fraction. However, it can be expressed in rational form as 9/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.