10021237 has 2 divisors, whose sum is σ = 10021238. Its totient is φ = 10021236.

The previous prime is 10021217. The next prime is 10021241. The reversal of 10021237 is 73212001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7584516 + 2436721 = 2754^2 + 1561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021217) 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, 5010618 + 5010619.

It is an arithmetic number, because the mean of its divisors is an integer number (5010619).

Almost surely, 2^10021237 is an apocalyptic number.

It is an amenable number.

10021237 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021237 is an equidigital number, since it uses as much as digits as its factorization.

10021237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10021237 is about 3165.6337438181. The cubic root of 10021237 is about 215.5958735985.

Adding to 10021237 its reverse (73212001), we get a palindrome (83233238).

The spelling of 10021237 in words is "ten million, twenty-one thousand, two hundred thirty-seven".