1181828056 has 16 divisors (see below), whose sum is σ = 2253486600. Its totient is φ = 580898304.

The previous prime is 1181828051. The next prime is 1181828111. The reversal of 1181828056 is 6508281811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181828051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251465 + ... + 1252408.

Almost surely, 2^1181828056 is an apocalyptic number.

It is an amenable number.

1181828056 is a deficient number, since it is larger than the sum of its proper divisors (1071658544).

1181828056 is a wasteful number, since it uses less digits than its factorization.

1181828056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503938 (or 2503934 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 40.

The square root of 1181828056 is about 34377.7261609898. The cubic root of 1181828056 is about 1057.2672148463.

The spelling of 1181828056 in words is "one billion, one hundred eighty-one million, eight hundred twenty-eight thousand, fifty-six".