105404321 has 8 divisors (see below), whose sum is σ = 115061088. Its totient is φ = 95760000.

The previous prime is 105404293. The next prime is 105404347. The reversal of 105404321 is 123404501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105404321 - 2¹⁴ = 105387937 is a prime.

It is a super-2 number, since 2×105404321² = 22220141770942082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 105404293 and 105404302.

It is not an unprimeable number, because it can be changed into a prime (105404021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29681 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (14382636).

Almost surely, 2^105404321 is an apocalyptic number.

105404321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105404321 is a deficient number, since it is larger than the sum of its proper divisors (9656767).

105404321 is a wasteful number, since it uses less digits than its factorization.

105404321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105404321 is about 10266.6606547601. The cubic root of 105404321 is about 472.3741661687.

Adding to 105404321 its reverse (123404501), we get a palindrome (228808822).

The spelling of 105404321 in words is "one hundred five million, four hundred four thousand, three hundred twenty-one".