10122109 has 4 divisors (see below), whose sum is σ = 10135260. Its totient is φ = 10108960.

The previous prime is 10122043. The next prime is 10122113. The reversal of 10122109 is 90122101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 9272025 = 922^2 + 3045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122092 and 10122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122149) 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, 5344 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (2533815).

Almost surely, 2^10122109 is an apocalyptic number.

It is an amenable number.

10122109 is a deficient number, since it is larger than the sum of its proper divisors (13151).

10122109 is an equidigital number, since it uses as much as digits as its factorization.

10122109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13150.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10122109 is about 3181.5262060841. The cubic root of 10122109 is about 216.3168432478.

The spelling of 10122109 in words is "ten million, one hundred twenty-two thousand, one hundred nine".