1144100321 has 8 divisors (see below), whose sum is σ = 1408123584. Its totient is φ = 905222160.

The previous prime is 1144100299. The next prime is 1144100327. The reversal of 1144100321 is 1230014411.

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 a de Polignac number, because none of the positive numbers 2^k-1144100321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144100321.

It is not an unprimeable number, because it can be changed into a prime (1144100327) 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, 6286175 + ... + 6286356.

It is an arithmetic number, because the mean of its divisors is an integer number (176015448).

Almost surely, 2^1144100321 is an apocalyptic number.

It is an amenable number.

1144100321 is a deficient number, since it is larger than the sum of its proper divisors (264023263).

1144100321 is a wasteful number, since it uses less digits than its factorization.

1144100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572551.

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

The square root of 1144100321 is about 33824.5520443361. The cubic root of 1144100321 is about 1045.8948771805.

Adding to 1144100321 its reverse (1230014411), we get a palindrome (2374114732).

The spelling of 1144100321 in words is "one billion, one hundred forty-four million, one hundred thousand, three hundred twenty-one".