80125 has 8 divisors (see below), whose sum is σ = 100152. Its totient is φ = 64000.
The previous prime is 80111. The next prime is 80141. The reversal of 80125 is 52108.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 36 + 80089 = 6^2 + 283^2 .
It is a sliding number, since 80125 = 125 + 80000 and 1/125 + 1/80000 = 0.0080125.
It is not a de Polignac number, because 80125 - 27 = 79997 is a prime.
It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a nialpdrome in base 11.
It is a junction number, because it is equal to n+sod(n) for n = 80099 and 80108.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 196 + ... + 445.
It is an arithmetic number, because the mean of its divisors is an integer number (12519).
280125 is an apocalyptic number.
It is an amenable number.
80125 is a deficient number, since it is larger than the sum of its proper divisors (20027).
80125 is an equidigital number, since it uses as much as digits as its factorization.
80125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 656 (or 646 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 80125 is about 283.0635970944. The cubic root of 80125 is about 43.1111241502. Note that the first 4 decimals are identical.
It can be divided in two parts, 80 and 125, that multiplied together give a 4-th power (10000 = 104).
The spelling of 80125 in words is "eighty thousand, one hundred twenty-five".
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