104780421 has 12 divisors (see below), whose sum is σ = 159315520. Its totient is φ = 66177000.

The previous prime is 104780419. The next prime is 104780441. The reversal of 104780421 is 124087401.

It is not a de Polignac number, because 104780421 - 2¹ = 104780419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104780441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306205 + ... + 306546.

Almost surely, 2^104780421 is an apocalyptic number.

It is an amenable number.

104780421 is a deficient number, since it is larger than the sum of its proper divisors (54535099).

104780421 is a wasteful number, since it uses less digits than its factorization.

104780421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612776 (or 612773 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 104780421 is about 10236.2308004460. The cubic root of 104780421 is about 471.4403093103.

The spelling of 104780421 in words is "one hundred four million, seven hundred eighty thousand, four hundred twenty-one".