107081 has 4 divisors (see below), whose sum is σ = 115332. Its totient is φ = 98832.
The previous prime is 107077. The next prime is 107089. The reversal of 107081 is 180701.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 40000 + 67081 = 200^2 + 259^2 .
It is a cyclic number.
It is not a de Polignac number, because 107081 - 22 = 107077 is a prime.
It is a super-2 number, since 2×1070812 = 22932681122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (107089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106 + ... + 4131.
It is an arithmetic number, because the mean of its divisors is an integer number (28833).
2107081 is an apocalyptic number.
It is an amenable number.
107081 is a deficient number, since it is larger than the sum of its proper divisors (8251).
107081 is an equidigital number, since it uses as much as digits as its factorization.
107081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8250.
The product of its (nonzero) digits is 56, while the sum is 17.
The square root of 107081 is about 327.2323333658. The cubic root of 107081 is about 47.4865705341.
Adding to 107081 its reverse (180701), we get a palindrome (287782).
The spelling of 107081 in words is "one hundred seven thousand, eighty-one".
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