105871982 has 8 divisors (see below), whose sum is σ = 164284200. Its totient is φ = 51110584.

The previous prime is 105871979. The next prime is 105872003. The reversal of 105871982 is 289178501.

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

It is a super-2 number, since 2×105871982² = 22417753145216648, 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912632 + ... + 912747.

It is an arithmetic number, because the mean of its divisors is an integer number (20535525).

Almost surely, 2^105871982 is an apocalyptic number.

105871982 is a deficient number, since it is larger than the sum of its proper divisors (58412218).

105871982 is a wasteful number, since it uses less digits than its factorization.

105871982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825410.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 105871982 is about 10289.4111590508. The cubic root of 105871982 is about 473.0717500406.

The spelling of 105871982 in words is "one hundred five million, eight hundred seventy-one thousand, nine hundred eighty-two".