104243420 has 12 divisors (see below), whose sum is σ = 218911224. Its totient is φ = 41697360.

The previous prime is 104243417. The next prime is 104243453. The reversal of 104243420 is 24342401.

It is a super-2 number, since 2×104243420² = 21733381226592800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5212171 = 104243420 / (1 + 0 + 4 + 2 + 4 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 104243392 and 104243401.

It is a congruent number.

It is an unprimeable number.

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, 2606066 + ... + 2606105.

It is an arithmetic number, because the mean of its divisors is an integer number (18242602).

Almost surely, 2^104243420 is an apocalyptic number.

104243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104243420 is an abundant number, since it is smaller than the sum of its proper divisors (114667804).

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

104243420 is a wasteful number, since it uses less digits than its factorization.

104243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212180 (or 5212178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104243420 is about 10209.9666992601. The cubic root of 104243420 is about 470.6335503115.

Adding to 104243420 its reverse (24342401), we get a palindrome (128585821).

The spelling of 104243420 in words is "one hundred four million, two hundred forty-three thousand, four hundred twenty".