100530198 has 24 divisors (see below), whose sum is σ = 220802088. Its totient is φ = 33050592.

The previous prime is 100530191. The next prime is 100530203. The reversal of 100530198 is 891035001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100530191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36940 + ... + 39567.

It is an arithmetic number, because the mean of its divisors is an integer number (9200087).

Almost surely, 2^100530198 is an apocalyptic number.

100530198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100530198 is an abundant number, since it is smaller than the sum of its proper divisors (120271890).

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

100530198 is a wasteful number, since it uses less digits than its factorization.

100530198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76588 (or 76585 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 100530198 is about 10026.4748541050. The cubic root of 100530198 is about 464.9777582147.

Adding to 100530198 its reverse (891035001), we get a palindrome (991565199).

The spelling of 100530198 in words is "one hundred million, five hundred thirty thousand, one hundred ninety-eight".