104780420 has 24 divisors (see below), whose sum is σ = 225407448. Its totient is φ = 40889600.

The previous prime is 104780419. The next prime is 104780441. The reversal of 104780420 is 24087401.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 100962304 = 1954^2 + 10048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104780420.

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 7 ways as a sum of consecutive naturals, for example, 63071 + ... + 64710.

It is an arithmetic number, because the mean of its divisors is an integer number (9391977).

Almost surely, 2^104780420 is an apocalyptic number.

104780420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104780420 is an abundant number, since it is smaller than the sum of its proper divisors (120627028).

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

104780420 is a wasteful number, since it uses less digits than its factorization.

104780420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127831 (or 127829 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 104780420 is about 10236.2307515999. The cubic root of 104780420 is about 471.4403078105.

The spelling of 104780420 in words is "one hundred four million, seven hundred eighty thousand, four hundred twenty".