126980 has 24 divisors (see below), whose sum is σ = 305088. Its totient is φ = 43488.
The previous prime is 126967. The next prime is 126989. The reversal of 126980 is 89621.
It is a super-2 number, since 2×1269802 = 32247840800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (126989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 593.
It is an arithmetic number, because the mean of its divisors is an integer number (12712).
2126980 is an apocalyptic number.
126980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
126980 is an abundant number, since it is smaller than the sum of its proper divisors (178108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126980 is a wasteful number, since it uses less digits than its factorization.
126980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923 (or 921 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 126980 is about 356.3425318426. The cubic root of 126980 is about 50.2626182184.
The spelling of 126980 in words is "one hundred twenty-six thousand, nine hundred eighty".
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