1181384080 has 40 divisors (see below), whose sum is σ = 2752448832. Its totient is φ = 471567744.

The previous prime is 1181384059. The next prime is 1181384089. The reversal of 1181384080 is 804831811.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1181384089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23799 + ... + 54121.

Almost surely, 2^1181384080 is an apocalyptic number.

1181384080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1181384080 is an abundant number, since it is smaller than the sum of its proper divisors (1571064752).

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

1181384080 is a wasteful number, since it uses less digits than its factorization.

1181384080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30823 (or 30817 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 1181384080 is about 34371.2682338025. The cubic root of 1181384080 is about 1057.1348041405.

The spelling of 1181384080 in words is "one billion, one hundred eighty-one million, three hundred eighty-four thousand, eighty".