1444721201 has 32 divisors (see below), whose sum is σ = 1847580672. Its totient is φ = 1097141760.

The previous prime is 1444721197. The next prime is 1444721219. The reversal of 1444721201 is 1021274441.

It is not a de Polignac number, because 1444721201 - 2² = 1444721197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1444721231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498980 + ... + 501866.

It is an arithmetic number, because the mean of its divisors is an integer number (57736896).

Almost surely, 2^1444721201 is an apocalyptic number.

1444721201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444721201 is a deficient number, since it is larger than the sum of its proper divisors (402859471).

1444721201 is a wasteful number, since it uses less digits than its factorization.

1444721201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1444721201 is about 38009.4883022647. The cubic root of 1444721201 is about 1130.4760051121.

Adding to 1444721201 its reverse (1021274441), we get a palindrome (2465995642).

The spelling of 1444721201 in words is "one billion, four hundred forty-four million, seven hundred twenty-one thousand, two hundred one".