1026979 has 2 divisors, whose sum is σ = 1026980. Its totient is φ = 1026978.

The previous prime is 1026947. The next prime is 1026989. The reversal of 1026979 is 9796201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9796201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1026979 - 2⁵ = 1026947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026989) 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, 513489 + 513490.

It is an arithmetic number, because the mean of its divisors is an integer number (513490).

2^1026979 is an apocalyptic number.

1026979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026979 is an equidigital number, since it uses as much as digits as its factorization.

1026979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1026979 is about 1013.3997237024. The cubic root of 1026979 is about 100.8913316739.

The spelling of 1026979 in words is "one million, twenty-six thousand, nine hundred seventy-nine".