1188870368 has 144 divisors (see below), whose sum is σ = 2854010880. Its totient is φ = 477404928.

The previous prime is 1188870313. The next prime is 1188870373. The reversal of 1188870368 is 8630788811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9361121 + ... + 9361247.

It is an arithmetic number, because the mean of its divisors is an integer number (19819520).

Almost surely, 2^1188870368 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 1188870368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427005440).

1188870368 is an abundant number, since it is smaller than the sum of its proper divisors (1665140512).

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

1188870368 is a wasteful number, since it uses less digits than its factorization.

1188870368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The square root of 1188870368 is about 34479.9995359629. Note that the first 3 decimals coincide. The cubic root of 1188870368 is about 1059.3630824276.

The spelling of 1188870368 in words is "one billion, one hundred eighty-eight million, eight hundred seventy thousand, three hundred sixty-eight".