108821263 has 2 divisors, whose sum is σ = 108821264. Its totient is φ = 108821262.

The previous prime is 108821249. The next prime is 108821281. The reversal of 108821263 is 362128801.

It is a weak prime.

It is an emirp because it is prime and its reverse (362128801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108821263 - 2⁵ = 108821231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108821213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54410631 + 54410632.

It is an arithmetic number, because the mean of its divisors is an integer number (54410632).

Almost surely, 2^108821263 is an apocalyptic number.

108821263 is a deficient number, since it is larger than the sum of its proper divisors (1).

108821263 is an equidigital number, since it uses as much as digits as its factorization.

108821263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 108821263 is about 10431.7430470655. The cubic root of 108821263 is about 477.4243740505.

The spelling of 108821263 in words is "one hundred eight million, eight hundred twenty-one thousand, two hundred sixty-three".