1104809257 has 2 divisors, whose sum is σ = 1104809258. Its totient is φ = 1104809256.

The previous prime is 1104809239. The next prime is 1104809269. The reversal of 1104809257 is 7529084011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102970521 + 1838736 = 33211^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104809257 - 2¹⁹ = 1104284969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1104809357) 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, 552404628 + 552404629.

It is an arithmetic number, because the mean of its divisors is an integer number (552404629).

Almost surely, 2^1104809257 is an apocalyptic number.

It is an amenable number.

1104809257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104809257 is an equidigital number, since it uses as much as digits as its factorization.

1104809257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1104809257 is about 33238.6711076120. The cubic root of 1104809257 is about 1033.7823223884.

The spelling of 1104809257 in words is "one billion, one hundred four million, eight hundred nine thousand, two hundred fifty-seven".