1118560647 has 16 divisors (see below), whose sum is σ = 1608203520. Its totient is φ = 689227200.

The previous prime is 1118560621. The next prime is 1118560669. The reversal of 1118560647 is 7460658111.

It is not a de Polignac number, because 1118560647 - 2⁷ = 1118560519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118560697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236979 + ... + 241652.

It is an arithmetic number, because the mean of its divisors is an integer number (100512720).

Almost surely, 2^1118560647 is an apocalyptic number.

1118560647 is a deficient number, since it is larger than the sum of its proper divisors (489642873).

1118560647 is a wasteful number, since it uses less digits than its factorization.

1118560647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478694.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1118560647 is about 33444.8896993248. The cubic root of 1118560647 is about 1038.0537587105.

The spelling of 1118560647 in words is "one billion, one hundred eighteen million, five hundred sixty thousand, six hundred forty-seven".