1144320001 has 16 divisors (see below), whose sum is σ = 1279608768. Its totient is φ = 1014552000.

The previous prime is 1144319987. The next prime is 1144320029. The reversal of 1144320001 is 1000234411.

It is not a de Polignac number, because 1144320001 - 2¹¹ = 1144317953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144323001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66751 + ... + 82123.

It is an arithmetic number, because the mean of its divisors is an integer number (79975548).

Almost surely, 2^1144320001 is an apocalyptic number.

1144320001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144320001 is a deficient number, since it is larger than the sum of its proper divisors (135288767).

1144320001 is a wasteful number, since it uses less digits than its factorization.

1144320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15552.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1144320001 is about 33827.7992337663. The cubic root of 1144320001 is about 1045.9618140503.

Adding to 1144320001 its reverse (1000234411), we get a palindrome (2144554412).

The spelling of 1144320001 in words is "one billion, one hundred forty-four million, three hundred twenty thousand, one".