105185056 has 12 divisors (see below), whose sum is σ = 207083142. Its totient is φ = 52592512.

The previous prime is 105185051. The next prime is 105185057. The reversal of 105185056 is 650581501.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 52128400 = 7284^2 + 7220^2 .

It is a super-2 number, since 2×105185056² = 22127792011446272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105185051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643485 + ... + 1643548.

Almost surely, 2^105185056 is an apocalyptic number.

105185056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105185056 is a deficient number, since it is larger than the sum of its proper divisors (101898086).

105185056 is an equidigital number, since it uses as much as digits as its factorization.

105185056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287043 (or 3287035 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 105185056 is about 10255.9765990373. The cubic root of 105185056 is about 472.0463901546.

The spelling of 105185056 in words is "one hundred five million, one hundred eighty-five thousand, fifty-six".