1104064921 has 16 divisors (see below), whose sum is σ = 1157071104. Its totient is φ = 1052659584.

The previous prime is 1104064919. The next prime is 1104064937. The reversal of 1104064921 is 1294604011.

It is a cyclic number.

It is not a de Polignac number, because 1104064921 - 2¹ = 1104064919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1104064921.

It is not an unprimeable number, because it can be changed into a prime (1104064991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282835 + ... + 286711.

It is an arithmetic number, because the mean of its divisors is an integer number (72316944).

Almost surely, 2^1104064921 is an apocalyptic number.

It is an amenable number.

1104064921 is a deficient number, since it is larger than the sum of its proper divisors (53006183).

1104064921 is an equidigital number, since it uses as much as digits as its factorization.

1104064921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1104064921 is about 33227.4723835564. The cubic root of 1104064921 is about 1033.5501090706.

Adding to 1104064921 its reverse (1294604011), we get a palindrome (2398668932).

The spelling of 1104064921 in words is "one billion, one hundred four million, sixty-four thousand, nine hundred twenty-one".