1321441 has 12 divisors (see below), whose sum is σ = 1483216. Its totient is φ = 1176120.

The previous prime is 1321429. The next prime is 1321447. The reversal of 1321441 is 1441231.

It is not a de Polignac number, because 1321441 - 2⁵ = 1321409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8026 + ... + 8188.

2^1321441 is an apocalyptic number.

1321441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321441 is a deficient number, since it is larger than the sum of its proper divisors (161775).

1321441 is a wasteful number, since it uses less digits than its factorization.

1321441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 241 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 1321441 is about 1149.5394730065. The cubic root of 1321441 is about 109.7360337353.

Adding to 1321441 its reverse (1441231), we get a palindrome (2762672).

The spelling of 1321441 in words is "one million, three hundred twenty-one thousand, four hundred forty-one".