1194842880 has 576 divisors, whose sum is σ = 5298048000. Its totient is φ = 247726080.

The previous prime is 1194842863. The next prime is 1194842899. The reversal of 1194842880 is 882484911.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2660896 + ... + 2661344.

It is an arithmetic number, because the mean of its divisors is an integer number (9198000).

Almost surely, 2^1194842880 is an apocalyptic number.

1194842880 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 1194842880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649024000).

1194842880 is an abundant number, since it is smaller than the sum of its proper divisors (4103205120).

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

1194842880 is a wasteful number, since it uses less digits than its factorization.

1194842880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1194842880 is about 34566.4993888592. The cubic root of 1194842880 is about 1061.1340894021.

The spelling of 1194842880 in words is "one billion, one hundred ninety-four million, eight hundred forty-two thousand, eight hundred eighty".