11129449 has 2 divisors, whose sum is σ = 11129450. Its totient is φ = 11129448.

The previous prime is 11129423. The next prime is 11129467. The reversal of 11129449 is 94492111.

11129449 is digitally balanced in base 2, 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., 11102224 + 27225 = 3332^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 11129449 - 2⁹ = 11128937 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11129449.

It is not a weakly prime, because it can be changed into another prime (11129149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5564724 + 5564725.

It is an arithmetic number, because the mean of its divisors is an integer number (5564725).

Almost surely, 2^11129449 is an apocalyptic number.

It is an amenable number.

11129449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11129449 is an equidigital number, since it uses as much as digits as its factorization.

11129449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 11129449 is about 3336.0828826634. The cubic root of 11129449 is about 223.2670090918.

The spelling of 11129449 in words is "eleven million, one hundred twenty-nine thousand, four hundred forty-nine".