125680 has 20 divisors (see below), whose sum is σ = 292392. Its totient is φ = 50240.
The previous prime is 125669. The next prime is 125683. The reversal of 125680 is 86521.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (20).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706 + ... + 865.
2125680 is an apocalyptic number.
125680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125680 is an abundant number, since it is smaller than the sum of its proper divisors (166712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125680 is a wasteful number, since it uses less digits than its factorization.
125680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1584 (or 1578 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 125680 is about 354.5137514963. The cubic root of 125680 is about 50.0905027529.
The spelling of 125680 in words is "one hundred twenty-five thousand, six hundred eighty".
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