104405112 has 80 divisors (see below), whose sum is σ = 334221360. Its totient is φ = 29828736.

The previous prime is 104405051. The next prime is 104405113. The reversal of 104405112 is 211504401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104405113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6973 + ... + 16044.

It is an arithmetic number, because the mean of its divisors is an integer number (4177767).

Almost surely, 2^104405112 is an apocalyptic number.

104405112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104405112 is an abundant number, since it is smaller than the sum of its proper divisors (229816248).

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

104405112 is a wasteful number, since it uses less digits than its factorization.

104405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042 (or 23029 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104405112 is about 10217.8819723072. The cubic root of 104405112 is about 470.8767578887.

Adding to 104405112 its reverse (211504401), we get a palindrome (315909513).

The spelling of 104405112 in words is "one hundred four million, four hundred five thousand, one hundred twelve".