105405841 has 4 divisors (see below), whose sum is σ = 105507184. Its totient is φ = 105304500.

The previous prime is 105405823. The next prime is 105405851. The reversal of 105405841 is 148504501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 148504501 = 41 ⋅3622061.

It is a cyclic number.

It is not a de Polignac number, because 105405841 - 2²³ = 97017233 is a prime.

It is a super-2 number, since 2×105405841² = 22220782633834562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105405821) 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, 49095 + ... + 51196.

It is an arithmetic number, because the mean of its divisors is an integer number (26376796).

Almost surely, 2^105405841 is an apocalyptic number.

It is an amenable number.

105405841 is a deficient number, since it is larger than the sum of its proper divisors (101343).

105405841 is a wasteful number, since it uses less digits than its factorization.

105405841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101342.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 105405841 is about 10266.7346805106. The cubic root of 105405841 is about 472.3764368070.

The spelling of 105405841 in words is "one hundred five million, four hundred five thousand, eight hundred forty-one".