102043188 has 144 divisors (see below), whose sum is σ = 292795776. Its totient is φ = 29756160.

The previous prime is 102043159. The next prime is 102043213. The reversal of 102043188 is 881340201.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1229395 + ... + 1229477.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^102043188 is an apocalyptic number.

102043188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102043188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146397888).

102043188 is an abundant number, since it is smaller than the sum of its proper divisors (190752588).

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

102043188 is a wasteful number, since it uses less digits than its factorization.

102043188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 102043188 is about 10101.6428366875. The cubic root of 102043188 is about 467.2988074956.

Adding to 102043188 its reverse (881340201), we get a palindrome (983383389).

The spelling of 102043188 in words is "one hundred two million, forty-three thousand, one hundred eighty-eight".