1002202108987 has 2 divisors, whose sum is σ = 1002202108988. Its totient is φ = 1002202108986.

The previous prime is 1002202108967. The next prime is 1002202109071. The reversal of 1002202108987 is 7898012022001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002202108987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002202108967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501101054493 + 501101054494.

It is an arithmetic number, because the mean of its divisors is an integer number (501101054494).

Almost surely, 2^{1002202108987} is an apocalyptic number.

1002202108987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002202108987 is an equidigital number, since it uses as much as digits as its factorization.

1002202108987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 1002202108987 in words is "one trillion, two billion, two hundred two million, one hundred eight thousand, nine hundred eighty-seven".