104556420 has 120 divisors (see below), whose sum is σ = 330594264. Its totient is φ = 27661824.

The previous prime is 104556377. The next prime is 104556451. The reversal of 104556420 is 24655401.

104556420 is a `hidden beast` number, since 10 + 4 + 5 + 5 + 642 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 104530176 = 162^2 + 10224^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 377322 + ... + 377598.

Almost surely, 2^104556420 is an apocalyptic number.

104556420 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 104556420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165297132).

104556420 is an abundant number, since it is smaller than the sum of its proper divisors (226037844).

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

104556420 is a wasteful number, since it uses less digits than its factorization.

104556420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 104556420 is about 10225.2833701565. The cubic root of 104556420 is about 471.1041191376.

It can be divided in two parts, 104556 and 420, that added together give a 4-th power (104976 = 18⁴).

The spelling of 104556420 in words is "one hundred four million, five hundred fifty-six thousand, four hundred twenty".