1178113284 has 72 divisors (see below), whose sum is σ = 3087826560. Its totient is φ = 378286272.

The previous prime is 1178113283. The next prime is 1178113303. The reversal of 1178113284 is 4823118711.

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

It is not an unprimeable number, because it can be changed into a prime (1178113283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570037 + ... + 572099.

It is an arithmetic number, because the mean of its divisors is an integer number (42886480).

Almost surely, 2^1178113284 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 1178113284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543913280).

1178113284 is an abundant number, since it is smaller than the sum of its proper divisors (1909713276).

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

1178113284 is a wasteful number, since it uses less digits than its factorization.

1178113284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2644 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 1178113284 is about 34323.6548753189. The cubic root of 1178113284 is about 1056.1583031446.

The spelling of 1178113284 in words is "one billion, one hundred seventy-eight million, one hundred thirteen thousand, two hundred eighty-four".