105242986 has 8 divisors (see below), whose sum is σ = 164728224. Its totient is φ = 50333580.

The previous prime is 105242947. The next prime is 105243007. The reversal of 105242986 is 689242501.

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

It is a super-2 number, since 2×105242986² = 22152172204392392, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1143900 + ... + 1143991.

It is an arithmetic number, because the mean of its divisors is an integer number (20591028).

Almost surely, 2^105242986 is an apocalyptic number.

105242986 is a deficient number, since it is larger than the sum of its proper divisors (59485238).

105242986 is a wasteful number, since it uses less digits than its factorization.

105242986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287916.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 105242986 is about 10258.8004172028. The cubic root of 105242986 is about 472.1330330987.

The spelling of 105242986 in words is "one hundred five million, two hundred forty-two thousand, nine hundred eighty-six".