108881 has 2 divisors, whose sum is σ = 108882. Its totient is φ = 108880.
The previous prime is 108877. The next prime is 108883. The reversal of 108881 is 188801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 99856 + 9025 = 316^2 + 95^2 .
It is an emirp because it is prime and its reverse (188801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 108881 - 22 = 108877 is a prime.
It is a super-2 number, since 2×1088812 = 23710144322, which contains 22 as substring.
Together with 108883, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 108881.
It is not a weakly prime, because it can be changed into another prime (108883) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54440 + 54441.
It is an arithmetic number, because the mean of its divisors is an integer number (54441).
2108881 is an apocalyptic number.
It is an amenable number.
108881 is a deficient number, since it is larger than the sum of its proper divisors (1).
108881 is an equidigital number, since it uses as much as digits as its factorization.
108881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 512, while the sum is 26.
The square root of 108881 is about 329.9712108654. The cubic root of 108881 is about 47.7511718141.
It can be divided in two parts, 108 and 881, that added together give a palindrome (989).
The spelling of 108881 in words is "one hundred eight thousand, eight hundred eighty-one".
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