105424861 has 4 divisors (see below), whose sum is σ = 106609500. Its totient is φ = 104240224.

The previous prime is 105424841. The next prime is 105424903. The reversal of 105424861 is 168424501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38675961 + 66748900 = 6219^2 + 8170^2 .

It is a cyclic number.

It is not a de Polignac number, because 105424861 - 2⁷ = 105424733 is a prime.

It is a super-2 number, since 2×105424861² = 22228802633738642, 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 (105424841) 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, 592186 + ... + 592363.

It is an arithmetic number, because the mean of its divisors is an integer number (26652375).

Almost surely, 2^105424861 is an apocalyptic number.

It is an amenable number.

105424861 is a deficient number, since it is larger than the sum of its proper divisors (1184639).

105424861 is an equidigital number, since it uses as much as digits as its factorization.

105424861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184638.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 105424861 is about 10267.6609312930. The cubic root of 105424861 is about 472.4048478179.

The spelling of 105424861 in words is "one hundred five million, four hundred twenty-four thousand, eight hundred sixty-one".