1105432321 has 8 divisors (see below), whose sum is σ = 1263552320. Its totient is φ = 947362608.

The previous prime is 1105432303. The next prime is 1105432351. The reversal of 1105432321 is 1232345011.

It is a happy number.

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 1105432321 - 2⁹ = 1105431809 is a prime.

It is a super-2 number, since 2×1105432321² = 2443961232622894082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105432292 and 1105432301.

It is not an unprimeable number, because it can be changed into a prime (1105432351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80275 + ... + 93031.

It is an arithmetic number, because the mean of its divisors is an integer number (157944040).

Almost surely, 2^1105432321 is an apocalyptic number.

It is an amenable number.

1105432321 is a deficient number, since it is larger than the sum of its proper divisors (158119999).

1105432321 is a wasteful number, since it uses less digits than its factorization.

1105432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25143.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1105432321 is about 33248.0423634234. The cubic root of 1105432321 is about 1033.9766218415.

Adding to 1105432321 its reverse (1232345011), we get a palindrome (2337777332).

The spelling of 1105432321 in words is "one billion, one hundred five million, four hundred thirty-two thousand, three hundred twenty-one".