102188099 has 16 divisors (see below), whose sum is σ = 117492480. Its totient is φ = 88089120.

The previous prime is 102188087. The next prime is 102188111. The reversal of 102188099 is 990881201.

It is an interprime number because it is at equal distance from previous prime (102188087) and next prime (102188111).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102188099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102188039) 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 15 ways as a sum of consecutive naturals, for example, 14624 + ... + 20450.

It is an arithmetic number, because the mean of its divisors is an integer number (7343280).

Almost surely, 2^102188099 is an apocalyptic number.

102188099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102188099 is a deficient number, since it is larger than the sum of its proper divisors (15304381).

102188099 is a wasteful number, since it uses less digits than its factorization.

102188099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 102188099 is about 10108.8129372345. The cubic root of 102188099 is about 467.5199057363.

The spelling of 102188099 in words is "one hundred two million, one hundred eighty-eight thousand, ninety-nine".