126680 has 16 divisors (see below), whose sum is σ = 285120. Its totient is φ = 50656.

The previous prime is 126653. The next prime is 126683. The reversal of 126680 is 86621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2¹²⁶⁶⁸⁰ is an apocalyptic number.

126680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126680 is an abundant number, since it is smaller than the sum of its proper divisors (158440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126680 is a wasteful number, since it uses less digits than its factorization.

126680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 126680 is about 355.9213396244. The cubic root of 126680 is about 50.2230039065.

The spelling of 126680 in words is "one hundred twenty-six thousand, six hundred eighty".