1024420429 has 2 divisors, whose sum is σ = 1024420430. Its totient is φ = 1024420428.

The previous prime is 1024420427. The next prime is 1024420469. The reversal of 1024420429 is 9240244201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530380900 + 494039529 = 23030^2 + 22227^2 .

It is an emirp because it is prime and its reverse (9240244201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1024420429 - 2¹ = 1024420427 is a prime.

Together with 1024420427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1024420397 and 1024420406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024420421) 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, 512210214 + 512210215.

It is an arithmetic number, because the mean of its divisors is an integer number (512210215).

Almost surely, 2^1024420429 is an apocalyptic number.

It is an amenable number.

1024420429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024420429 is an equidigital number, since it uses as much as digits as its factorization.

1024420429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1024420429 is about 32006.5685289754. The cubic root of 1024420429 is about 1008.0747656630.

The spelling of 1024420429 in words is "one billion, twenty-four million, four hundred twenty thousand, four hundred twenty-nine".