1444131021 has 8 divisors (see below), whose sum is σ = 1933917280. Its totient is φ = 958549392.

The previous prime is 1444130921. The next prime is 1444131047. The reversal of 1444131021 is 1201314441.

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

It is not a de Polignac number, because 1444131021 - 2¹³ = 1444122829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444133021) 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, 1050355 + ... + 1051728.

It is an arithmetic number, because the mean of its divisors is an integer number (241739660).

Almost surely, 2^1444131021 is an apocalyptic number.

It is an amenable number.

1444131021 is a deficient number, since it is larger than the sum of its proper divisors (489786259).

1444131021 is a wasteful number, since it uses less digits than its factorization.

1444131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102315.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1444131021 is about 38001.7239214223. The cubic root of 1444131021 is about 1130.3220480259.

Adding to 1444131021 its reverse (1201314441), we get a palindrome (2645445462).

The spelling of 1444131021 in words is "one billion, four hundred forty-four million, one hundred thirty-one thousand, twenty-one".