1119019800 has 96 divisors (see below), whose sum is σ = 3492522000. Its totient is φ = 296378880.

The previous prime is 1119019789. The next prime is 1119019813. The reversal of 1119019800 is 89109111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 83142 + ... + 95658.

Almost surely, 2^1119019800 is an apocalyptic number.

1119019800 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 1119019800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746261000).

1119019800 is an abundant number, since it is smaller than the sum of its proper divisors (2373502200).

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

1119019800 is a wasteful number, since it uses less digits than its factorization.

1119019800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12676 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 1119019800 is about 33451.7533172777. The cubic root of 1119019800 is about 1038.1957746420.

The spelling of 1119019800 in words is "one billion, one hundred nineteen million, nineteen thousand, eight hundred".