105109085 has 8 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 83986384.

The previous prime is 105109073. The next prime is 105109087. The reversal of 105109085 is 580901501.

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

It is a cyclic number.

It is not a de Polignac number, because 105109085 - 2¹⁰ = 105108061 is a prime.

It is a super-2 number, since 2×105109085² = 22095839499074450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105109087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 16494.

It is an arithmetic number, because the mean of its divisors is an integer number (15785280).

Almost surely, 2^105109085 is an apocalyptic number.

It is an amenable number.

105109085 is a deficient number, since it is larger than the sum of its proper divisors (21173155).

105109085 is an equidigital number, since it uses as much as digits as its factorization.

105109085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 105109085 is about 10252.2721871788. The cubic root of 105109085 is about 471.9327159788.

The spelling of 105109085 in words is "one hundred five million, one hundred nine thousand, eighty-five".