105891841 has 4 divisors (see below), whose sum is σ = 115518384. Its totient is φ = 96265300.

The previous prime is 105891823. The next prime is 105891853. The reversal of 105891841 is 148198501.

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 105891841 - 2⁷ = 105891713 is a prime.

It is a super-2 number, since 2×105891841² = 22426163980738562, 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 105891841.

It is not an unprimeable number, because it can be changed into a prime (105831841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813255 + ... + 4813276.

It is an arithmetic number, because the mean of its divisors is an integer number (28879596).

Almost surely, 2^105891841 is an apocalyptic number.

105891841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105891841 is a deficient number, since it is larger than the sum of its proper divisors (9626543).

105891841 is an equidigital number, since it uses as much as digits as its factorization.

105891841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626542.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 105891841 is about 10290.3761350108. The cubic root of 105891841 is about 473.1013270964.

The spelling of 105891841 in words is "one hundred five million, eight hundred ninety-one thousand, eight hundred forty-one".