104205100 has 72 divisors (see below), whose sum is σ = 233262848. Its totient is φ = 40392000.

The previous prime is 104205083. The next prime is 104205109. The reversal of 104205100 is 1502401.

It is not an unprimeable number, because it can be changed into a prime (104205109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690025 + ... + 690175.

Almost surely, 2^104205100 is an apocalyptic number.

104205100 is a gapful number since it is divisible by the number (10) 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 104205100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116631424).

104205100 is an abundant number, since it is smaller than the sum of its proper divisors (129057748).

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

104205100 is a wasteful number, since it uses less digits than its factorization.

104205100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 104205100 is about 10208.0899290710. The cubic root of 104205100 is about 470.5758747673.

Adding to 104205100 its reverse (1502401), we get a palindrome (105707501).

The spelling of 104205100 in words is "one hundred four million, two hundred five thousand, one hundred".