102089868 has 24 divisors (see below), whose sum is σ = 238401072. Its totient is φ = 34002624.

The previous prime is 102089863. The next prime is 102089873. The reversal of 102089868 is 868980201.

It is an interprime number because it is at equal distance from previous prime (102089863) and next prime (102089873).

It is a super-2 number, since 2×102089868² = 20844682296514848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102089863) 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 7 ways as a sum of consecutive naturals, for example, 17046 + ... + 22242.

It is an arithmetic number, because the mean of its divisors is an integer number (9933378).

Almost surely, 2^102089868 is an apocalyptic number.

It is an amenable number.

102089868 is an abundant number, since it is smaller than the sum of its proper divisors (136311204).

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

102089868 is a wasteful number, since it uses less digits than its factorization.

102089868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 102089868 is about 10103.9530877771. The cubic root of 102089868 is about 467.3700524374.

The spelling of 102089868 in words is "one hundred two million, eighty-nine thousand, eight hundred sixty-eight".