1104889 has 2 divisors, whose sum is σ = 1104890. Its totient is φ = 1104888.

The previous prime is 1104877. The next prime is 1104899. The reversal of 1104889 is 9884011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 94864 = 1005^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104889 - 2⁹ = 1104377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1104889.

It is not a weakly prime, because it can be changed into another prime (1104899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552444 + 552445.

It is an arithmetic number, because the mean of its divisors is an integer number (552445).

2^1104889 is an apocalyptic number.

It is an amenable number.

1104889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104889 is an equidigital number, since it uses as much as digits as its factorization.

1104889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1104889 is about 1051.1370034396. The cubic root of 1104889 is about 103.3807193928.

The spelling of 1104889 in words is "one million, one hundred four thousand, eight hundred eighty-nine".