1218560676 has 24 divisors (see below), whose sum is σ = 2882259744. Its totient is φ = 400622400.

The previous prime is 1218560669. The next prime is 1218560719. The reversal of 1218560676 is 6760658121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694650 + ... + 696401.

It is an arithmetic number, because the mean of its divisors is an integer number (120094156).

Almost surely, 2^1218560676 is an apocalyptic number.

It is an amenable number.

1218560676 is an abundant number, since it is smaller than the sum of its proper divisors (1663699068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218560676 is a wasteful number, since it uses less digits than its factorization.

1218560676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391131 (or 1391129 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1218560676 is about 34907.8884494608. Note that the first 3 decimals coincide. The cubic root of 1218560676 is about 1068.1093570076.

The spelling of 1218560676 in words is "one billion, two hundred eighteen million, five hundred sixty thousand, six hundred seventy-six".