104421120 has 144 divisors (see below), whose sum is σ = 339075072. Its totient is φ = 27381760.

The previous prime is 104421103. The next prime is 104421151. The reversal of 104421120 is 21124401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 104421120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272449 + ... + 272831.

It is an arithmetic number, because the mean of its divisors is an integer number (2354688).

Almost surely, 2^104421120 is an apocalyptic number.

104421120 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 104421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169537536).

104421120 is an abundant number, since it is smaller than the sum of its proper divisors (234653952).

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

104421120 is an equidigital number, since it uses as much as digits as its factorization.

104421120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 104421120 is about 10218.6652748781. The cubic root of 104421120 is about 470.9008225147.

Adding to 104421120 its reverse (21124401), we get a palindrome (125545521).

The spelling of 104421120 in words is "one hundred four million, four hundred twenty-one thousand, one hundred twenty".