105814861 has 2 divisors, whose sum is σ = 105814862. Its totient is φ = 105814860.

The previous prime is 105814847. The next prime is 105814879. The reversal of 105814861 is 168418501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 10361961 = 9770^2 + 3219^2 .

It is a cyclic number.

It is not a de Polignac number, because 105814861 - 2⁵ = 105814829 is a prime.

It is a super-2 number, since 2×105814861² = 22393569616898642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105814361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52907430 + 52907431.

It is an arithmetic number, because the mean of its divisors is an integer number (52907431).

Almost surely, 2^105814861 is an apocalyptic number.

It is an amenable number.

105814861 is a deficient number, since it is larger than the sum of its proper divisors (1).

105814861 is an equidigital number, since it uses as much as digits as its factorization.

105814861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 105814861 is about 10286.6350669206. The cubic root of 105814861 is about 472.9866560993.

The spelling of 105814861 in words is "one hundred five million, eight hundred fourteen thousand, eight hundred sixty-one".