1020079 has 2 divisors, whose sum is σ = 1020080. Its totient is φ = 1020078.

The previous prime is 1020077. The next prime is 1020101. The reversal of 1020079 is 9700201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020079 - 2¹ = 1020077 is a prime.

It is a super-2 number, since 2×1020079² = 2081122332482, which contains 22 as substring.

Together with 1020077, 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 (1020077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510039 + 510040.

It is an arithmetic number, because the mean of its divisors is an integer number (510040).

2^1020079 is an apocalyptic number.

1020079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020079 is an equidigital number, since it uses as much as digits as its factorization.

1020079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1020079 is about 1009.9896039069. The cubic root of 1020079 is about 100.6648696861.

The spelling of 1020079 in words is "one million, twenty thousand, seventy-nine".