1199049984 has 432 divisors, whose sum is σ = 4201352064. Its totient is φ = 327106560.

The previous prime is 1199049949. The next prime is 1199049989. The reversal of 1199049984 is 4899409911.

It is a self number, because there is not a number n which added to its sum of digits gives 1199049984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199049989) 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 47 ways as a sum of consecutive naturals, for example, 52132597 + ... + 52132619.

It is an arithmetic number, because the mean of its divisors is an integer number (9725352).

Almost surely, 2^1199049984 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 1199049984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100676032).

1199049984 is an abundant number, since it is smaller than the sum of its proper divisors (3002302080).

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

1199049984 is a wasteful number, since it uses less digits than its factorization.

1199049984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 1199049984 is about 34627.3011365310. The cubic root of 1199049984 is about 1062.3780666348.

The spelling of 1199049984 in words is "one billion, one hundred ninety-nine million, forty-nine thousand, nine hundred eighty-four".