10261109 has 2 divisors, whose sum is σ = 10261110. Its totient is φ = 10261108.

The previous prime is 10261091. The next prime is 10261123. The reversal of 10261109 is 90116201.

10261109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (10261091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 3900625 = 2522^2 + 1975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10261109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10261129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130554 + 5130555.

It is an arithmetic number, because the mean of its divisors is an integer number (5130555).

Almost surely, 2^10261109 is an apocalyptic number.

It is an amenable number.

10261109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261109 is an equidigital number, since it uses as much as digits as its factorization.

10261109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 10261109 is about 3203.2965832092. The cubic root of 10261109 is about 217.3025221250.

The spelling of 10261109 in words is "ten million, two hundred sixty-one thousand, one hundred nine".