10021079 has 2 divisors, whose sum is σ = 10021080. Its totient is φ = 10021078.

The previous prime is 10021073. The next prime is 10021087. The reversal of 10021079 is 97012001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021073) 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, 5010539 + 5010540.

It is an arithmetic number, because the mean of its divisors is an integer number (5010540).

Almost surely, 2^10021079 is an apocalyptic number.

10021079 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021079 is an equidigital number, since it uses as much as digits as its factorization.

10021079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 10021079 is about 3165.6087882112. The cubic root of 10021079 is about 215.5947405273.

The spelling of 10021079 in words is "ten million, twenty-one thousand, seventy-nine".