104100280 has 16 divisors (see below), whose sum is σ = 234225720. Its totient is φ = 41640096.

The previous prime is 104100247. The next prime is 104100281. The reversal of 104100280 is 82001401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104100281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301214 + ... + 1301293.

Almost surely, 2^104100280 is an apocalyptic number.

104100280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104100280 is an abundant number, since it is smaller than the sum of its proper divisors (130125440).

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

104100280 is a wasteful number, since it uses less digits than its factorization.

104100280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602518 (or 2602514 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 104100280 is about 10202.9544740727. The cubic root of 104100280 is about 470.4180376064.

Adding to 104100280 its reverse (82001401), we get a palindrome (186101681).

The spelling of 104100280 in words is "one hundred four million, one hundred thousand, two hundred eighty".