1279043 has 2 divisors, whose sum is σ = 1279044. Its totient is φ = 1279042.

The previous prime is 1279039. The next prime is 1279081. The reversal of 1279043 is 3409721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1279043 - 2² = 1279039 is a prime.

It is not a weakly prime, because it can be changed into another prime (1279013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639521 + 639522.

It is an arithmetic number, because the mean of its divisors is an integer number (639522).

2^1279043 is an apocalyptic number.

1279043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279043 is an equidigital number, since it uses as much as digits as its factorization.

1279043 is an evil number, because the sum of its binary digits is even.

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

The square root of 1279043 is about 1130.9478325723. The cubic root of 1279043 is about 108.5496385667.

The spelling of 1279043 in words is "one million, two hundred seventy-nine thousand, forty-three".