102188652 has 12 divisors (see below), whose sum is σ = 238440216. Its totient is φ = 34062880.

The previous prime is 102188651. The next prime is 102188657. The reversal of 102188652 is 256881201.

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 (102188651) 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 in 3 ways as a sum of consecutive naturals, for example, 4257849 + ... + 4257872.

It is an arithmetic number, because the mean of its divisors is an integer number (19870018).

Almost surely, 2^102188652 is an apocalyptic number.

102188652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102188652 is an abundant number, since it is smaller than the sum of its proper divisors (136251564).

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

102188652 is a wasteful number, since it uses less digits than its factorization.

102188652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515728 (or 8515726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 102188652 is about 10108.8402895683. The cubic root of 102188652 is about 467.5207490767.

The spelling of 102188652 in words is "one hundred two million, one hundred eighty-eight thousand, six hundred fifty-two".