1002247 has 2 divisors, whose sum is σ = 1002248. Its totient is φ = 1002246.

The previous prime is 1002241. The next prime is 1002257. The reversal of 1002247 is 7422001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7422001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002247 - 2¹¹ = 1000199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501123 + 501124.

It is an arithmetic number, because the mean of its divisors is an integer number (501124).

2^1002247 is an apocalyptic number.

1002247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002247 is an equidigital number, since it uses as much as digits as its factorization.

1002247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1002247 is about 1001.1228695820. The cubic root of 1002247 is about 100.0748439698.

Adding to 1002247 its reverse (7422001), we get a palindrome (8424248).

The spelling of 1002247 in words is "one million, two thousand, two hundred forty-seven".