1000429 has 2 divisors, whose sum is σ = 1000430. Its totient is φ = 1000428.

The previous prime is 1000427. The next prime is 1000453. The reversal of 1000429 is 9240001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 10404 = 995^2 + 102^2 .

It is an emirp because it is prime and its reverse (9240001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000429 - 2¹ = 1000427 is a prime.

Together with 1000427, it forms a pair of twin primes.

1000429 is a modest number, since divided by 429 gives 1 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500214 + 500215.

It is an arithmetic number, because the mean of its divisors is an integer number (500215).

2^1000429 is an apocalyptic number.

It is an amenable number.

1000429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000429 is an equidigital number, since it uses as much as digits as its factorization.

1000429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1000429 is about 1000.2144769998. The cubic root of 1000429 is about 100.0142979556.

The spelling of 1000429 in words is "one million, four hundred twenty-nine", and thus it is an aban number.