1430005 has 4 divisors (see below), whose sum is σ = 1716012. Its totient is φ = 1144000.

The previous prime is 1429969. The next prime is 1430027. The reversal of 1430005 is 5000341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 734449 = 834^2 + 857^2 .

It is not a de Polignac number, because 1430005 - 2¹¹ = 1427957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 142996 + ... + 143005.

It is an arithmetic number, because the mean of its divisors is an integer number (429003).

2^1430005 is an apocalyptic number.

It is an amenable number.

1430005 is a deficient number, since it is larger than the sum of its proper divisors (286007).

1430005 is an equidigital number, since it uses as much as digits as its factorization.

1430005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286006.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1430005 is about 1195.8281649133. The cubic root of 1430005 is about 112.6624484414.

Adding to 1430005 its reverse (5000341), we get a palindrome (6430346).

The spelling of 1430005 in words is "one million, four hundred thirty thousand, five".