1104947729 has 2 divisors, whose sum is σ = 1104947730. Its totient is φ = 1104947728.

The previous prime is 1104947707. The next prime is 1104947731. The reversal of 1104947729 is 9277494011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820249600 + 284698129 = 28640^2 + 16873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1104947729 is a prime.

Together with 1104947731, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1104947729.

It is not a weakly prime, because it can be changed into another prime (1104947749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552473864 + 552473865.

It is an arithmetic number, because the mean of its divisors is an integer number (552473865).

Almost surely, 2^1104947729 is an apocalyptic number.

It is an amenable number.

1104947729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104947729 is an equidigital number, since it uses as much as digits as its factorization.

1104947729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1104947729 is about 33240.7540377772. The cubic root of 1104947729 is about 1033.8255105148.

The spelling of 1104947729 in words is "one billion, one hundred four million, nine hundred forty-seven thousand, seven hundred twenty-nine".