104172112 has 20 divisors (see below), whose sum is σ = 220182336. Its totient is φ = 47350880.

The previous prime is 104172109. The next prime is 104172113. The reversal of 104172112 is 211271401.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 104172112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104172113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295768 + ... + 296119.

Almost surely, 2^104172112 is an apocalyptic number.

It is an amenable number.

104172112 is an abundant number, since it is smaller than the sum of its proper divisors (116010224).

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

104172112 is a wasteful number, since it uses less digits than its factorization.

104172112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591906 (or 591900 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 104172112 is about 10206.4740238733. The cubic root of 104172112 is about 470.5262131054.

It can be divided in two parts, 1041 and 72112, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 104172112 in words is "one hundred four million, one hundred seventy-two thousand, one hundred twelve".