1144120443 has 8 divisors (see below), whose sum is σ = 1530923856. Its totient is φ = 760032000.

The previous prime is 1144120433. The next prime is 1144120463. The reversal of 1144120443 is 3440214411.

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

It is not a de Polignac number, because 1144120443 - 2⁴ = 1144120427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144120433) 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, 677758 + ... + 679443.

It is an arithmetic number, because the mean of its divisors is an integer number (191365482).

Almost surely, 2^1144120443 is an apocalyptic number.

1144120443 is a deficient number, since it is larger than the sum of its proper divisors (386803413).

1144120443 is a wasteful number, since it uses less digits than its factorization.

1144120443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357485.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1144120443 is about 33824.8494896873. The cubic root of 1144120443 is about 1045.9010087446.

Adding to 1144120443 its reverse (3440214411), we get a palindrome (4584334854).

The spelling of 1144120443 in words is "one billion, one hundred forty-four million, one hundred twenty thousand, four hundred forty-three".