104205280 has 48 divisors (see below), whose sum is σ = 249679584. Its totient is φ = 41090560.

The previous prime is 104205271. The next prime is 104205281. The reversal of 104205280 is 82502401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104205281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6774 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (5201658).

Almost surely, 2^104205280 is an apocalyptic number.

104205280 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 104205280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124839792).

104205280 is an abundant number, since it is smaller than the sum of its proper divisors (145474304).

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

104205280 is an equidigital number, since it uses as much as digits as its factorization.

104205280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259 (or 9251 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 104205280 is about 10208.0987456039. The cubic root of 104205280 is about 470.5761457188.

Adding to 104205280 its reverse (82502401), we get a palindrome (186707681).

The spelling of 104205280 in words is "one hundred four million, two hundred five thousand, two hundred eighty".