424129 has 2 divisors, whose sum is σ = 424130. Its totient is φ = 424128.

The previous prime is 424121. The next prime is 424139. The reversal of 424129 is 921424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 4225 = 648^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 424129 - 2³ = 424121 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (424121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212064 + 212065.

It is an arithmetic number, because the mean of its divisors is an integer number (212065).

2⁴²⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

424129 is a deficient number, since it is larger than the sum of its proper divisors (1).

424129 is an equidigital number, since it uses as much as digits as its factorization.

424129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 424129 is about 651.2518713985. The cubic root of 424129 is about 75.1333331934.

The spelling of 424129 in words is "four hundred twenty-four thousand, one hundred twenty-nine".