105853861 has 4 divisors (see below), whose sum is σ = 105989152. Its totient is φ = 105718572.

The previous prime is 105853859. The next prime is 105853873. The reversal of 105853861 is 168358501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105853861 - 2¹ = 105853859 is a prime.

It is a super-2 number, since 2×105853861² = 22410079777214642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105853861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105853661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66465 + ... + 68038.

It is an arithmetic number, because the mean of its divisors is an integer number (26497288).

Almost surely, 2^105853861 is an apocalyptic number.

It is an amenable number.

105853861 is a deficient number, since it is larger than the sum of its proper divisors (135291).

105853861 is an equidigital number, since it uses as much as digits as its factorization.

105853861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135290.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 105853861 is about 10288.5305559152. The cubic root of 105853861 is about 473.0447582525.

The spelling of 105853861 in words is "one hundred five million, eight hundred fifty-three thousand, eight hundred sixty-one".