1194794880 has 128 divisors (see below), whose sum is σ = 3822698880. Its totient is φ = 317417472.

The previous prime is 1194794863. The next prime is 1194794891. The reversal of 1194794880 is 884974911.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588427 + ... + 590453.

It is an arithmetic number, because the mean of its divisors is an integer number (29864835).

Almost surely, 2^1194794880 is an apocalyptic number.

1194794880 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 1194794880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911349440).

1194794880 is an abundant number, since it is smaller than the sum of its proper divisors (2627904000).

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

1194794880 is a wasteful number, since it uses less digits than its factorization.

1194794880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 1194794880 is about 34565.8050680148. The cubic root of 1194794880 is about 1061.1198796904.

The spelling of 1194794880 in words is "one billion, one hundred ninety-four million, seven hundred ninety-four thousand, eight hundred eighty".