1001441 has 4 divisors (see below), whose sum is σ = 1144512. Its totient is φ = 858372.

The previous prime is 1001431. The next prime is 1001447. The reversal of 1001441 is 1441001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001441 - 2¹⁴ = 985057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71525 + ... + 71538.

It is an arithmetic number, because the mean of its divisors is an integer number (286128).

2^1001441 is an apocalyptic number.

It is an amenable number.

1001441 is a deficient number, since it is larger than the sum of its proper divisors (143071).

1001441 is an equidigital number, since it uses as much as digits as its factorization.

1001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143070.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1001441 is about 1000.7202406267. The cubic root of 1001441 is about 100.0480102798.

Adding to 1001441 its reverse (1441001), we get a palindrome (2442442).

The spelling of 1001441 in words is "one million, one thousand, four hundred forty-one".