1178000000 has 224 divisors, whose sum is σ = 3187459200. Its totient is φ = 432000000.

The previous prime is 1177999997. The next prime is 1178000003. The reversal of 1178000000 is 8711.

It is an interprime number because it is at equal distance from previous prime (1177999997) and next prime (1178000003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178000003) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 37999985 + ... + 38000015.

Almost surely, 2^1178000000 is an apocalyptic number.

1178000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593729600).

1178000000 is an abundant number, since it is smaller than the sum of its proper divisors (2009459200).

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

1178000000 is an frugal number, since it uses more digits than its factorization.

1178000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1178000000 is about 34322.0046034610. The cubic root of 1178000000 is about 1056.1244496734.

Adding to 1178000000 its reverse (8711), we get a palindrome (1178008711).

The spelling of 1178000000 in words is "one billion, one hundred seventy-eight million", and thus it is an aban number.