1181920112 has 10 divisors (see below), whose sum is σ = 2289970248. Its totient is φ = 590960048.

The previous prime is 1181920111. The next prime is 1181920123. The reversal of 1181920112 is 2110291811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181920111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36934988 + ... + 36935019.

Almost surely, 2^1181920112 is an apocalyptic number.

It is an amenable number.

1181920112 is a deficient number, since it is larger than the sum of its proper divisors (1108050136).

1181920112 is an equidigital number, since it uses as much as digits as its factorization.

1181920112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73870015 (or 73870009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 26.

The square root of 1181920112 is about 34379.0650250992. The cubic root of 1181920112 is about 1057.2946653324.

The spelling of 1181920112 in words is "one billion, one hundred eighty-one million, nine hundred twenty thousand, one hundred twelve".