1104897509 has 2 divisors, whose sum is σ = 1104897510. Its totient is φ = 1104897508.

The previous prime is 1104897503. The next prime is 1104897523. The reversal of 1104897509 is 9057984011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626250625 + 478646884 = 25025^2 + 21878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1104897509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1104897509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104897503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552448754 + 552448755.

It is an arithmetic number, because the mean of its divisors is an integer number (552448755).

Almost surely, 2^1104897509 is an apocalyptic number.

It is an amenable number.

1104897509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104897509 is an equidigital number, since it uses as much as digits as its factorization.

1104897509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1104897509 is about 33239.9986311672. The cubic root of 1104897509 is about 1033.8098477819.

The spelling of 1104897509 in words is "one billion, one hundred four million, eight hundred ninety-seven thousand, five hundred nine".