449129 has 2 divisors, whose sum is σ = 449130. Its totient is φ = 449128.

The previous prime is 449117. The next prime is 449131. The reversal of 449129 is 921944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 24025 = 652^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 449129 - 2⁸ = 448873 is a prime.

It is a Sophie Germain prime.

Together with 449131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (449149) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224564 + 224565.

It is an arithmetic number, because the mean of its divisors is an integer number (224565).

2⁴⁴⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

449129 is a deficient number, since it is larger than the sum of its proper divisors (1).

449129 is an equidigital number, since it uses as much as digits as its factorization.

449129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 449129 is about 670.1708737330. The cubic root of 449129 is about 76.5814701570.

The spelling of 449129 in words is "four hundred forty-nine thousand, one hundred twenty-nine".