10027021 has 2 divisors, whose sum is σ = 10027022. Its totient is φ = 10027020.

The previous prime is 10027009. The next prime is 10027051. The reversal of 10027021 is 12072001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 509796 = 3085^2 + 714^2 .

It is an emirp because it is prime and its reverse (12072001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10027021 - 2¹⁹ = 9502733 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10026992 and 10027010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10027051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013510 + 5013511.

It is an arithmetic number, because the mean of its divisors is an integer number (5013511).

Almost surely, 2^10027021 is an apocalyptic number.

It is an amenable number.

10027021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10027021 is an equidigital number, since it uses as much as digits as its factorization.

10027021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 10027021 is about 3166.5471731841. The cubic root of 10027021 is about 215.6373444168.

Adding to 10027021 its reverse (12072001), we get a palindrome (22099022).

The spelling of 10027021 in words is "ten million, twenty-seven thousand, twenty-one".