105561041 has 4 divisors (see below), whose sum is σ = 111770532. Its totient is φ = 99351552.

The previous prime is 105561023. The next prime is 105561047. The reversal of 105561041 is 140165501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140165501 = 7 ⋅20023643.

It can be written as a sum of positive squares in 2 ways, for example, as 84364225 + 21196816 = 9185^2 + 4604^2 .

It is a cyclic number.

It is not a de Polignac number, because 105561041 - 2¹⁰ = 105560017 is a prime.

It is a super-2 number, since 2×105561041² = 22286266754007362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105560998 and 105561016.

It is not an unprimeable number, because it can be changed into a prime (105561047) 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, 3104720 + ... + 3104753.

It is an arithmetic number, because the mean of its divisors is an integer number (27942633).

Almost surely, 2^105561041 is an apocalyptic number.

It is an amenable number.

105561041 is a deficient number, since it is larger than the sum of its proper divisors (6209491).

105561041 is an equidigital number, since it uses as much as digits as its factorization.

105561041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209490.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 105561041 is about 10274.2902917914. The cubic root of 105561041 is about 472.6081661232.

The spelling of 105561041 in words is "one hundred five million, five hundred sixty-one thousand, forty-one".