102002988 has 12 divisors (see below), whose sum is σ = 238007000. Its totient is φ = 34000992.

The previous prime is 102002987. The next prime is 102003037. The reversal of 102002988 is 889200201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102002981) 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 in 3 ways as a sum of consecutive naturals, for example, 4250113 + ... + 4250136.

Almost surely, 2^102002988 is an apocalyptic number.

It is an amenable number.

102002988 is an abundant number, since it is smaller than the sum of its proper divisors (136004012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102002988 is a wasteful number, since it uses less digits than its factorization.

102002988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500256 (or 8500254 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 102002988 is about 10099.6528653217. The cubic root of 102002988 is about 467.2374351826.

The spelling of 102002988 in words is "one hundred two million, two thousand, nine hundred eighty-eight".