11129123 has 2 divisors, whose sum is σ = 11129124. Its totient is φ = 11129122.

The previous prime is 11129113. The next prime is 11129141. The reversal of 11129123 is 32192111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11129123 - 2¹⁸ = 10866979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11129095 and 11129104.

It is not a weakly prime, because it can be changed into another prime (11129113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5564561 + 5564562.

It is an arithmetic number, because the mean of its divisors is an integer number (5564562).

Almost surely, 2^11129123 is an apocalyptic number.

11129123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11129123 is an equidigital number, since it uses as much as digits as its factorization.

11129123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11129123 is about 3336.0340226083. The cubic root of 11129123 is about 223.2648291170.

The spelling of 11129123 in words is "eleven million, one hundred twenty-nine thousand, one hundred twenty-three".