1194870489120 has 2880 divisors, whose sum is σ = 5921585429760. Its totient is φ = 220723937280.

The previous prime is 1194870489107. The next prime is 1194870489143. The reversal of 1194870489120 is 219840784911.

1194870489120 is a `hidden beast` number, since 1 + 1 + 94 + 8 + 70 + 489 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 3545609592 + ... + 3545609928.

It is an arithmetic number, because the mean of its divisors is an integer number (2056106052).

Almost surely, 2^{1194870489120} is an apocalyptic number.

1194870489120 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 1194870489120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2960792714880).

1194870489120 is an abundant number, since it is smaller than the sum of its proper divisors (4726714940640).

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

1194870489120 is a wasteful number, since it uses less digits than its factorization.

1194870489120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 1194870489120 in words is "one trillion, one hundred ninety-four billion, eight hundred seventy million, four hundred eighty-nine thousand, one hundred twenty".