103091 has 2 divisors, whose sum is σ = 103092.
Its totient is φ = 103090.
The previous prime is 103087. The next prime is 103093. The reversal of 103091 is 190301.
Adding to 103091 its reverse (190301), we get a palindrome (293392).
It is a strong prime.
It is an emirp because it is prime and its reverse (190301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103091 - 22 = 103087 is a prime.
It is a Sophie Germain prime.
Together with 103093, it forms a pair of twin primes.
It is a Chen prime.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103091.
It is not a weakly prime, because it can be changed into another prime (103093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51545 + 51546.
It is an arithmetic number, because the mean of its divisors is an integer number (51546).
2103091 is an apocalyptic number.
103091 is a deficient number, since it is larger than the sum of its proper divisors (1).
103091 is an equidigital number, since it uses as much as digits as its factorization.
103091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27, while the sum is 14.
The square root of 103091 is about 321.0778721743.
The cubic root of 103091 is about 46.8892821665.
The spelling of 103091 in words is "one hundred three thousand, ninety-one".