1441221141 has 8 divisors (see below), whose sum is σ = 1923343840. Its totient is φ = 959956272.

The previous prime is 1441221139. The next prime is 1441221157. The reversal of 1441221141 is 1411221441.

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

It is not a de Polignac number, because 1441221141 - 2¹ = 1441221139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441221191) 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, 210526 + ... + 217263.

It is an arithmetic number, because the mean of its divisors is an integer number (240417980).

Almost surely, 2^1441221141 is an apocalyptic number.

It is an amenable number.

1441221141 is a deficient number, since it is larger than the sum of its proper divisors (482122699).

1441221141 is a wasteful number, since it uses less digits than its factorization.

1441221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428915.

The product of its digits is 256, while the sum is 21.

The square root of 1441221141 is about 37963.4184577733. The cubic root of 1441221141 is about 1129.5623493800.

Adding to 1441221141 its reverse (1411221441), we get a palindrome (2852442582).

It can be divided in two parts, 14412 and 21141, that added together give a palindrome (35553).

The spelling of 1441221141 in words is "one billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred forty-one".