1180131876 has 432 divisors, whose sum is σ = 4160452800. Its totient is φ = 287400960.

The previous prime is 1180131853. The next prime is 1180131881. The reversal of 1180131876 is 6781310811.

It is a happy number.

It is a super-2 number, since 2×1180131876² = 2785422489502558752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1180131876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12166260 + ... + 12166356.

Almost surely, 2^1180131876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1180131876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080226400).

1180131876 is an abundant number, since it is smaller than the sum of its proper divisors (2980320924).

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

1180131876 is a wasteful number, since it uses less digits than its factorization.

1180131876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1180131876 is about 34353.0475503994. The cubic root of 1180131876 is about 1056.7611699631.

The spelling of 1180131876 in words is "one billion, one hundred eighty million, one hundred thirty-one thousand, eight hundred seventy-six".