1444121105 has 8 divisors (see below), whose sum is σ = 1980508992. Its totient is φ = 990254448.

The previous prime is 1444121093. The next prime is 1444121123. The reversal of 1444121105 is 5011214441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444121105 - 2²⁰ = 1443072529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20630267 + ... + 20630336.

It is an arithmetic number, because the mean of its divisors is an integer number (247563624).

Almost surely, 2^1444121105 is an apocalyptic number.

It is an amenable number.

1444121105 is a deficient number, since it is larger than the sum of its proper divisors (536387887).

1444121105 is an equidigital number, since it uses as much as digits as its factorization.

1444121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41260615.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1444121105 is about 38001.5934534330. The cubic root of 1444121105 is about 1130.3194609340.

Adding to 1444121105 its reverse (5011214441), we get a palindrome (6455335546).

The spelling of 1444121105 in words is "one billion, four hundred forty-four million, one hundred twenty-one thousand, one hundred five".