1104421 has 4 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 1085644.

The previous prime is 1104409. The next prime is 1104427. The reversal of 1104421 is 1244011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1244011 = 419 ⋅2969.

It is a cyclic number.

It is not a de Polignac number, because 1104421 - 2⁷ = 1104293 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 (1104427) 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, 9301 + ... + 9418.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

2^1104421 is an apocalyptic number.

It is an amenable number.

1104421 is a deficient number, since it is larger than the sum of its proper divisors (18779).

1104421 is an equidigital number, since it uses as much as digits as its factorization.

1104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18778.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1104421 is about 1050.9143637804. The cubic root of 1104421 is about 103.3661209401.

Adding to 1104421 its reverse (1244011), we get a palindrome (2348432).

The spelling of 1104421 in words is "one million, one hundred four thousand, four hundred twenty-one".