424121567 has 2 divisors, whose sum is σ = 424121568. Its totient is φ = 424121566.

The previous prime is 424121521. The next prime is 424121597. The reversal of 424121567 is 765121424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424121567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424121597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212060783 + 212060784.

It is an arithmetic number, because the mean of its divisors is an integer number (212060784).

Almost surely, 2^424121567 is an apocalyptic number.

424121567 is a deficient number, since it is larger than the sum of its proper divisors (1).

424121567 is an equidigital number, since it uses as much as digits as its factorization.

424121567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 424121567 is about 20594.2119781263. The cubic root of 424121567 is about 751.3289427869.

The spelling of 424121567 in words is "four hundred twenty-four million, one hundred twenty-one thousand, five hundred sixty-seven".