105820712 has 16 divisors (see below), whose sum is σ = 198561300. Its totient is φ = 52871040.

The previous prime is 105820691. The next prime is 105820783. The reversal of 105820712 is 217028501.

It can be written as a sum of positive squares in 2 ways, for example, as 73170916 + 32649796 = 8554^2 + 5714^2 .

It is a super-2 number, since 2×105820712² = 22396046176373888, which contains 22 as substring.

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, 8762 + ... + 16982.

Almost surely, 2^105820712 is an apocalyptic number.

It is an amenable number.

105820712 is a deficient number, since it is larger than the sum of its proper divisors (92740588).

105820712 is a wasteful number, since it uses less digits than its factorization.

105820712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836 (or 9832 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 105820712 is about 10286.9194611409. The cubic root of 105820712 is about 472.9953738222.

The spelling of 105820712 in words is "one hundred five million, eight hundred twenty thousand, seven hundred twelve".