105634805 has 4 divisors (see below), whose sum is σ = 126761772. Its totient is φ = 84507840.

The previous prime is 105634757. The next prime is 105634811. The reversal of 105634805 is 508436501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508436501 = 107 ⋅4751743.

It can be written as a sum of positive squares in 2 ways, for example, as 67207204 + 38427601 = 8198^2 + 6199^2 .

It is not a de Polignac number, because 105634805 - 2¹⁴ = 105618421 is a prime.

It is a super-2 number, since 2×105634805² = 22317424054776050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10563476 + ... + 10563485.

It is an arithmetic number, because the mean of its divisors is an integer number (31690443).

Almost surely, 2^105634805 is an apocalyptic number.

It is an amenable number.

105634805 is a deficient number, since it is larger than the sum of its proper divisors (21126967).

105634805 is an equidigital number, since it uses as much as digits as its factorization.

105634805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21126966.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 105634805 is about 10277.8794019000. The cubic root of 105634805 is about 472.7182236198.

The spelling of 105634805 in words is "one hundred five million, six hundred thirty-four thousand, eight hundred five".