10243109 has 4 divisors (see below), whose sum is σ = 10782240. Its totient is φ = 9703980.

The previous prime is 10243097. The next prime is 10243171. The reversal of 10243109 is 90134201.

10243109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10243109 - 2⁸ = 10242853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269537 + ... + 269574.

It is an arithmetic number, because the mean of its divisors is an integer number (2695560).

Almost surely, 2^10243109 is an apocalyptic number.

10243109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10243109 is a deficient number, since it is larger than the sum of its proper divisors (539131).

10243109 is an equidigital number, since it uses as much as digits as its factorization.

10243109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539130.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10243109 is about 3200.4857443832. The cubic root of 10243109 is about 217.1753839902.

The spelling of 10243109 in words is "ten million, two hundred forty-three thousand, one hundred nine".