11405129 has 2 divisors, whose sum is σ = 11405130. Its totient is φ = 11405128.

The previous prime is 11405101. The next prime is 11405137. The reversal of 11405129 is 92150411.

It is a happy number.

11405129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 855625 = 3248^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 11405129 - 2¹⁶ = 11339593 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11405029) 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, 5702564 + 5702565.

It is an arithmetic number, because the mean of its divisors is an integer number (5702565).

Almost surely, 2^11405129 is an apocalyptic number.

It is an amenable number.

11405129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11405129 is an equidigital number, since it uses as much as digits as its factorization.

11405129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11405129 is about 3377.1480571630. The cubic root of 11405129 is about 225.0954590830.

The spelling of 11405129 in words is "eleven million, four hundred five thousand, one hundred twenty-nine".