1194400000 has 108 divisors (see below), whose sum is σ = 2981973204. Its totient is φ = 477440000.

The previous prime is 1194399989. The next prime is 1194400007. The reversal of 1194400000 is 44911.

It can be written as a sum of positive squares in 6 ways, for example, as 767068416 + 427331584 = 27696^2 + 20672^2 .

It is not an unprimeable number, because it can be changed into a prime (1194400007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799254 + ... + 800746.

It is an arithmetic number, because the mean of its divisors is an integer number (27610863).

Almost surely, 2^1194400000 is an apocalyptic number.

1194400000 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 1194400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490986602).

1194400000 is an abundant number, since it is smaller than the sum of its proper divisors (1787573204).

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

1194400000 is an frugal number, since it uses more digits than its factorization.

1194400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1194400000 is about 34560.0925924686. The cubic root of 1194400000 is about 1061.0029666830.

Adding to 1194400000 its reverse (44911), we get a palindrome (1194444911).

The spelling of 1194400000 in words is "one billion, one hundred ninety-four million, four hundred thousand".