11124109 has 2 divisors, whose sum is σ = 11124110. Its totient is φ = 11124108.

The previous prime is 11124107. The next prime is 11124121. The reversal of 11124109 is 90142111.

11124109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 864900 = 3203^2 + 930^2 .

It is an emirp because it is prime and its reverse (90142111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11124109 - 2¹ = 11124107 is a prime.

It is a super-3 number, since 3×11124109³ (a number of 22 digits) contains 333 as substring.

Together with 11124107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562054 + 5562055.

It is an arithmetic number, because the mean of its divisors is an integer number (5562055).

Almost surely, 2^11124109 is an apocalyptic number.

It is an amenable number.

11124109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124109 is an equidigital number, since it uses as much as digits as its factorization.

11124109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11124109 is about 3335.2824468102. The cubic root of 11124109 is about 223.2312949379.

The spelling of 11124109 in words is "eleven million, one hundred twenty-four thousand, one hundred nine".