11122129 has 2 divisors, whose sum is σ = 11122130. Its totient is φ = 11122128.

The previous prime is 11122099. The next prime is 11122141. The reversal of 11122129 is 92122111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10712529 + 409600 = 3273^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122129 - 2¹⁹ = 10597841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561064 + 5561065.

It is an arithmetic number, because the mean of its divisors is an integer number (5561065).

Almost surely, 2^11122129 is an apocalyptic number.

It is an amenable number.

11122129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122129 is an equidigital number, since it uses as much as digits as its factorization.

11122129 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11122129 is about 3334.9856071653. The cubic root of 11122129 is about 223.2180497066.

The spelling of 11122129 in words is "eleven million, one hundred twenty-two thousand, one hundred twenty-nine".