104520 has 64 divisors (see below), whose sum is σ = 342720. Its totient is φ = 25344.

The previous prime is 104513. The next prime is 104527. The reversal of 104520 is 25401.

It is an interprime number because it is at equal distance from previous prime (104513) and next prime (104527).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 104496 and 104505.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 104520.

It is not an unprimeable number, because it can be changed into a prime (104527) by changing a digit.

104520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (5355).

2¹⁰⁴⁵²⁰ is an apocalyptic number.

104520 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 104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171360).

104520 is an abundant number, since it is smaller than the sum of its proper divisors (238200).

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

104520 is a wasteful number, since it uses less digits than its factorization.

104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 104520 is about 323.2955304362. The cubic root of 104520 is about 47.1049413093.

Adding to 104520 its reverse (25401), we get a palindrome (129921).

The spelling of 104520 in words is "one hundred four thousand, five hundred twenty".