10109081 has 8 divisors (see below), whose sum is σ = 10497600. Its totient is φ = 9723280.

The previous prime is 10109063. The next prime is 10109087. The reversal of 10109081 is 18090101.

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 10109081 - 2⁶ = 10109017 is a prime.

It is a super-2 number, since 2×10109081² = 204387037329122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10109087) 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, 9926 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (1312200).

Almost surely, 2^10109081 is an apocalyptic number.

It is an amenable number.

10109081 is a deficient number, since it is larger than the sum of its proper divisors (388519).

10109081 is an equidigital number, since it uses as much as digits as its factorization.

10109081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 10109081 is about 3179.4781018274. The cubic root of 10109081 is about 216.2239974526.

Adding to 10109081 its reverse (18090101), we get a palindrome (28199182).

The spelling of 10109081 in words is "ten million, one hundred nine thousand, eighty-one".