105912986 has 8 divisors (see below), whose sum is σ = 159128820. Its totient is φ = 52870048.

The previous prime is 105912971. The next prime is 105912991. The reversal of 105912986 is 689219501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70140625 + 35772361 = 8375^2 + 5981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105912986² = 22435121206872392, which contains 22 as substring.

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, 41681 + ... + 44148.

Almost surely, 2^105912986 is an apocalyptic number.

105912986 is a deficient number, since it is larger than the sum of its proper divisors (53215834).

105912986 is an equidigital number, since it uses as much as digits as its factorization.

105912986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86448.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 105912986 is about 10291.4035000091. The cubic root of 105912986 is about 473.1328153951.

The spelling of 105912986 in words is "one hundred five million, nine hundred twelve thousand, nine hundred eighty-six".