105918812 has 12 divisors (see below), whose sum is σ = 185430000. Its totient is φ = 52938816.

The previous prime is 105918809. The next prime is 105918821. The reversal of 105918812 is 218819501.

It is a super-2 number, since 2×105918812² = 22437589470982688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17348 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (15452500).

Almost surely, 2^105918812 is an apocalyptic number.

It is an amenable number.

105918812 is a deficient number, since it is larger than the sum of its proper divisors (79511188).

105918812 is a wasteful number, since it uses less digits than its factorization.

105918812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300 (or 10298 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 105918812 is about 10291.6865478890. The cubic root of 105918812 is about 473.1414905077.

The spelling of 105918812 in words is "one hundred five million, nine hundred eighteen thousand, eight hundred twelve".