108947 has 2 divisors, whose sum is σ = 108948. Its totient is φ = 108946.

The previous prime is 108943. The next prime is 108949. The reversal of 108947 is 749801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108947 - 2² = 108943 is a prime.

Together with 108949, 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 108947.

It is not a weakly prime, because it can be changed into another prime (108943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54473 + 54474.

It is an arithmetic number, because the mean of its divisors is an integer number (54474).

2¹⁰⁸⁹⁴⁷ is an apocalyptic number.

108947 is a deficient number, since it is larger than the sum of its proper divisors (1).

108947 is an equidigital number, since it uses as much as digits as its factorization.

108947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 108947 is about 330.0712044393. The cubic root of 108947 is about 47.7608182500.

It can be divided in two parts, 10894 and 7, that added together give a palindrome (10901).

The spelling of 108947 in words is "one hundred eight thousand, nine hundred forty-seven".