1104459561 has 12 divisors (see below), whose sum is σ = 1598001600. Its totient is φ = 735073560.

The previous prime is 1104459529. The next prime is 1104459571. The reversal of 1104459561 is 1659544011.

1104459561 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 4 + 595 + 61 = 666.

It is not a de Polignac number, because 1104459561 - 2⁵ = 1104459529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1104459511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97045 + ... + 107826.

It is an arithmetic number, because the mean of its divisors is an integer number (133166800).

Almost surely, 2^1104459561 is an apocalyptic number.

It is an amenable number.

1104459561 is a deficient number, since it is larger than the sum of its proper divisors (493542039).

1104459561 is a wasteful number, since it uses less digits than its factorization.

1104459561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205476 (or 205473 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1104459561 is about 33233.4103125153. The cubic root of 1104459561 is about 1033.6732393984.

The spelling of 1104459561 in words is "one billion, one hundred four million, four hundred fifty-nine thousand, five hundred sixty-one".