1183218056 has 8 divisors (see below), whose sum is σ = 2218533870. Its totient is φ = 591609024.

The previous prime is 1183218041. The next prime is 1183218059. The reversal of 1183218056 is 6508123811.

It can be written as a sum of positive squares in only one way, i.e., 928177156 + 255040900 = 30466^2 + 15970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1183218059) 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, 73951121 + ... + 73951136.

Almost surely, 2^1183218056 is an apocalyptic number.

It is an amenable number.

1183218056 is a deficient number, since it is larger than the sum of its proper divisors (1035315814).

1183218056 is a wasteful number, since it uses less digits than its factorization.

1183218056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147902263 (or 147902259 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1183218056 is about 34397.9367985930. The cubic root of 1183218056 is about 1057.6815519526.

The spelling of 1183218056 in words is "one billion, one hundred eighty-three million, two hundred eighteen thousand, fifty-six".