105012646 has 16 divisors (see below), whose sum is σ = 160035840. Its totient is φ = 51671880.

The previous prime is 105012643. The next prime is 105012653. The reversal of 105012646 is 646210501.

It is a super-2 number, since 2×105012646² = 22055311639842632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105012646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105012643) 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 in 7 ways as a sum of consecutive naturals, for example, 57081 + ... + 58891.

It is an arithmetic number, because the mean of its divisors is an integer number (10002240).

Almost surely, 2^105012646 is an apocalyptic number.

105012646 is a deficient number, since it is larger than the sum of its proper divisors (55023194).

105012646 is a wasteful number, since it uses less digits than its factorization.

105012646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105012646 is about 10247.5678089974. The cubic root of 105012646 is about 471.7883369406.

The spelling of 105012646 in words is "one hundred five million, twelve thousand, six hundred forty-six".