1321241 has 4 divisors (see below), whose sum is σ = 1390800. Its totient is φ = 1251684.

The previous prime is 1321219. The next prime is 1321247. The reversal of 1321241 is 1421231.

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 1321241 - 2¹⁴ = 1304857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1321247) 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, 34751 + ... + 34788.

It is an arithmetic number, because the mean of its divisors is an integer number (347700).

2^1321241 is an apocalyptic number.

It is an amenable number.

1321241 is a deficient number, since it is larger than the sum of its proper divisors (69559).

1321241 is an equidigital number, since it uses as much as digits as its factorization.

1321241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69558.

The product of its digits is 48, while the sum is 14.

The square root of 1321241 is about 1149.4524783565. The cubic root of 1321241 is about 109.7304972757.

Adding to 1321241 its reverse (1421231), we get a palindrome (2742472).

The spelling of 1321241 in words is "one million, three hundred twenty-one thousand, two hundred forty-one".