1178207056 has 40 divisors (see below), whose sum is σ = 2466515744. Its totient is φ = 541987200.

The previous prime is 1178207053. The next prime is 1178207059. The reversal of 1178207056 is 6507028711.

It is an interprime number because it is at equal distance from previous prime (1178207053) and next prime (1178207059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178207053) by changing a digit.

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, 54631 + ... + 73081.

Almost surely, 2^1178207056 is an apocalyptic number.

1178207056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178207056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233257872).

1178207056 is an abundant number, since it is smaller than the sum of its proper divisors (1288308688).

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

1178207056 is a wasteful number, since it uses less digits than its factorization.

1178207056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779 (or 18773 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 1178207056 is about 34325.0208448589. The cubic root of 1178207056 is about 1056.1863240631.

The spelling of 1178207056 in words is "one billion, one hundred seventy-eight million, two hundred seven thousand, fifty-six".