1002200987 has 2 divisors, whose sum is σ = 1002200988. Its totient is φ = 1002200986.

The previous prime is 1002200977. The next prime is 1002201041. The reversal of 1002200987 is 7890022001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002200987 - 2⁴ = 1002200971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002200917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100493 + 501100494.

It is an arithmetic number, because the mean of its divisors is an integer number (501100494).

Almost surely, 2^1002200987 is an apocalyptic number.

1002200987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002200987 is an equidigital number, since it uses as much as digits as its factorization.

1002200987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1002200987 is about 31657.5581338801. The cubic root of 1002200987 is about 1000.7331247301.

Adding to 1002200987 its reverse (7890022001), we get a palindrome (8892222988).

The spelling of 1002200987 in words is "one billion, two million, two hundred thousand, nine hundred eighty-seven".