104271321 has 32 divisors (see below), whose sum is σ = 178937856. Its totient is φ = 52416000.

The previous prime is 104271317. The next prime is 104271331. The reversal of 104271321 is 123172401.

It is not a de Polignac number, because 104271321 - 2² = 104271317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104271331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (5591808).

Almost surely, 2^104271321 is an apocalyptic number.

104271321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104271321 is a deficient number, since it is larger than the sum of its proper divisors (74666535).

104271321 is a wasteful number, since it uses less digits than its factorization.

104271321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14613.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 104271321 is about 10211.3329688146. The cubic root of 104271321 is about 470.6755352967.

The spelling of 104271321 in words is "one hundred four million, two hundred seventy-one thousand, three hundred twenty-one".