1030439 has 2 divisors, whose sum is σ = 1030440. Its totient is φ = 1030438.

The previous prime is 1030429. The next prime is 1030441. The reversal of 1030439 is 9340301.

It is a strong prime.

It is an emirp because it is prime and its reverse (9340301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030439 is a prime.

It is a Sophie Germain prime.

Together with 1030441, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030429) 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, 515219 + 515220.

It is an arithmetic number, because the mean of its divisors is an integer number (515220).

2^1030439 is an apocalyptic number.

1030439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030439 is an equidigital number, since it uses as much as digits as its factorization.

1030439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1030439 is about 1015.1054132453. The cubic root of 1030439 is about 101.0045091605.

It can be divided in two parts, 10304 and 39, that multiplied together give a triangular number (401856 = T₈₉₆).

The spelling of 1030439 in words is "one million, thirty thousand, four hundred thirty-nine".