1181568112 has 40 divisors (see below), whose sum is σ = 2371611600. Its totient is φ = 569597952.

The previous prime is 1181568079. The next prime is 1181568133. The reversal of 1181568112 is 2118651811.

It is a super-2 number, since 2×1181568112² = 2792206406590489088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438064 + ... + 440752.

It is an arithmetic number, because the mean of its divisors is an integer number (59290290).

Almost surely, 2^1181568112 is an apocalyptic number.

It is an amenable number.

1181568112 is an abundant number, since it is smaller than the sum of its proper divisors (1190043488).

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

1181568112 is a wasteful number, since it uses less digits than its factorization.

1181568112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673 (or 3667 counting only the distinct ones).

The product of its digits is 3840, while the sum is 34.

The square root of 1181568112 is about 34373.9452492727. The cubic root of 1181568112 is about 1057.1896935804.

The spelling of 1181568112 in words is "one billion, one hundred eighty-one million, five hundred sixty-eight thousand, one hundred twelve".