104421231 has 14 divisors (see below), whose sum is σ = 156561320. Its totient is φ = 69613668.

The previous prime is 104421217. The next prime is 104421281. The reversal of 104421231 is 132124401.

104421231 is a `hidden beast` number, since 10 + 4 + 421 + 231 = 666.

It is not a de Polignac number, because 104421231 - 2⁶ = 104421167 is a prime.

It is a super-2 number, since 2×104421231² = 21807586967110722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104421281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 70891 + ... + 72348.

Almost surely, 2^104421231 is an apocalyptic number.

104421231 is a deficient number, since it is larger than the sum of its proper divisors (52140089).

104421231 is an frugal number, since it uses more digits than its factorization.

104421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143257 (or 143242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104421231 is about 10218.6707061144. The cubic root of 104421231 is about 470.9009893710.

Adding to 104421231 its reverse (132124401), we get a palindrome (236545632).

The spelling of 104421231 in words is "one hundred four million, four hundred twenty-one thousand, two hundred thirty-one".