105861103 has 4 divisors (see below), whose sum is σ = 111432760. Its totient is φ = 100289448.

The previous prime is 105861097. The next prime is 105861113. The reversal of 105861103 is 301168501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301168501 = 9769 ⋅30829.

It is not a de Polignac number, because 105861103 - 2¹³ = 105852911 is a prime.

It is a super-2 number, since 2×105861103² = 22413146256753218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105861113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785800 + ... + 2785837.

It is an arithmetic number, because the mean of its divisors is an integer number (27858190).

Almost surely, 2^105861103 is an apocalyptic number.

105861103 is a deficient number, since it is larger than the sum of its proper divisors (5571657).

105861103 is an equidigital number, since it uses as much as digits as its factorization.

105861103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571656.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 105861103 is about 10288.8824951984. The cubic root of 105861103 is about 473.0555458043.

The spelling of 105861103 in words is "one hundred five million, eight hundred sixty-one thousand, one hundred three".