1430279 has 2 divisors, whose sum is σ = 1430280. Its totient is φ = 1430278.

The previous prime is 1430243. The next prime is 1430281. The reversal of 1430279 is 9720341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430279 is a prime.

Together with 1430281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715139 + 715140.

It is an arithmetic number, because the mean of its divisors is an integer number (715140).

2^1430279 is an apocalyptic number.

1430279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430279 is an equidigital number, since it uses as much as digits as its factorization.

1430279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1430279 is about 1195.9427243811. The cubic root of 1430279 is about 112.6696436469.

The spelling of 1430279 in words is "one million, four hundred thirty thousand, two hundred seventy-nine".