1197136384 has 80 divisors (see below), whose sum is σ = 2511767808. Its totient is φ = 568922112.

The previous prime is 1197136321. The next prime is 1197136397. The reversal of 1197136384 is 4836317911.

It is a self number, because there is not a number n which added to its sum of digits gives 1197136384.

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 7 ways as a sum of consecutive naturals, for example, 3261769 + ... + 3262135.

Almost surely, 2^1197136384 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 1197136384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255883904).

1197136384 is an abundant number, since it is smaller than the sum of its proper divisors (1314631424).

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

1197136384 is an equidigital number, since it uses as much as digits as its factorization.

1197136384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 669 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 1197136384 is about 34599.6587266406. The cubic root of 1197136384 is about 1061.8126053262.

The spelling of 1197136384 in words is "one billion, one hundred ninety-seven million, one hundred thirty-six thousand, three hundred eighty-four".