10109281 has 8 divisors (see below), whose sum is σ = 12442304. Its totient is φ = 7998480.

The previous prime is 10109279. The next prime is 10109287. The reversal of 10109281 is 18290101.

10109281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10109281 - 2¹ = 10109279 is a prime.

It is a super-2 number, since 2×10109281² = 204395124673922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10109287) 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, 55455 + ... + 55636.

It is an arithmetic number, because the mean of its divisors is an integer number (1555288).

Almost surely, 2^10109281 is an apocalyptic number.

It is an amenable number.

10109281 is a deficient number, since it is larger than the sum of its proper divisors (2333023).

10109281 is a wasteful number, since it uses less digits than its factorization.

10109281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10109281 is about 3179.5095533745. The cubic root of 10109281 is about 216.2254233823.

Adding to 10109281 its reverse (18290101), we get a palindrome (28399382).

The spelling of 10109281 in words is "ten million, one hundred nine thousand, two hundred eighty-one".