100110985 has 8 divisors (see below), whose sum is σ = 129374280. Its totient is φ = 73928064.

The previous prime is 100110961. The next prime is 100110991. The reversal of 100110985 is 589011001.

It can be written as a sum of positive squares in 4 ways, for example, as 18045504 + 82065481 = 4248^2 + 9059^2 .

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 100110985 - 2⁹ = 100110473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770020 + ... + 770149.

It is an arithmetic number, because the mean of its divisors is an integer number (16171785).

Almost surely, 2^100110985 is an apocalyptic number.

It is an amenable number.

100110985 is a deficient number, since it is larger than the sum of its proper divisors (29263295).

100110985 is a wasteful number, since it uses less digits than its factorization.

100110985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540187.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 100110985 is about 10005.5477111451. The cubic root of 100110985 is about 464.3305354531.

Adding to 100110985 its reverse (589011001), we get a palindrome (689121986).

The spelling of 100110985 in words is "one hundred million, one hundred ten thousand, nine hundred eighty-five".