1101044321 has 8 divisors (see below), whose sum is σ = 1255489704. Its totient is φ = 956563200.

The previous prime is 1101044317. The next prime is 1101044323. The reversal of 1101044321 is 1234401011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136072225 + 964972096 = 11665^2 + 31064^2 .

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 1101044321 - 2² = 1101044317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101044321.

It is not an unprimeable number, because it can be changed into a prime (1101044323) 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 7 ways as a sum of consecutive naturals, for example, 2490830 + ... + 2491271.

It is an arithmetic number, because the mean of its divisors is an integer number (156936213).

Almost surely, 2^1101044321 is an apocalyptic number.

It is an amenable number.

1101044321 is a deficient number, since it is larger than the sum of its proper divisors (154445383).

1101044321 is a wasteful number, since it uses less digits than its factorization.

1101044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982131.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101044321 is about 33181.9879000641. The cubic root of 1101044321 is about 1032.6066884344.

Adding to 1101044321 its reverse (1234401011), we get a palindrome (2335445332).

The spelling of 1101044321 in words is "one billion, one hundred one million, forty-four thousand, three hundred twenty-one".