1104521 has 4 divisors (see below), whose sum is σ = 1204944. Its totient is φ = 1004100.

The previous prime is 1104517. The next prime is 1104533. The reversal of 1104521 is 1254011.

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: 1254011 = 11 ⋅114001.

It is a cyclic number.

It is not a de Polignac number, because 1104521 - 2² = 1104517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1104496 and 1104505.

It is not an unprimeable number, because it can be changed into a prime (1104511) 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, 50195 + ... + 50216.

It is an arithmetic number, because the mean of its divisors is an integer number (301236).

2^1104521 is an apocalyptic number.

1104521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1104521 is a deficient number, since it is larger than the sum of its proper divisors (100423).

1104521 is a wasteful number, since it uses less digits than its factorization.

1104521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100422.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1104521 is about 1050.9619403194. The cubic root of 1104521 is about 103.3692406140.

Adding to 1104521 its reverse (1254011), we get a palindrome (2358532).

The spelling of 1104521 in words is "one million, one hundred four thousand, five hundred twenty-one".