1181120612 has 12 divisors (see below), whose sum is σ = 2362241280. Its totient is φ = 506194536.

The previous prime is 1181120609. The next prime is 1181120663. The reversal of 1181120612 is 2160211811.

1181120612 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21091412 + ... + 21091467.

It is an arithmetic number, because the mean of its divisors is an integer number (196853440).

Almost surely, 2^1181120612 is an apocalyptic number.

It is an amenable number.

1181120612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1181120612 is a wasteful number, since it uses less digits than its factorization.

1181120612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42182890 (or 42182888 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 1181120612 is about 34367.4353421957. The cubic root of 1181120612 is about 1057.0562121724.

It can be divided in two parts, 11811 and 20612, that added together give a palindrome (32423).

The spelling of 1181120612 in words is "one billion, one hundred eighty-one million, one hundred twenty thousand, six hundred twelve".