1194117120 has 384 divisors, whose sum is σ = 4858963200. Its totient is φ = 272498688.

The previous prime is 1194117101. The next prime is 1194117131. The reversal of 1194117120 is 217114911.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1935052 + ... + 1935668.

It is an arithmetic number, because the mean of its divisors is an integer number (12653550).

Almost surely, 2^1194117120 is an apocalyptic number.

1194117120 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 1194117120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429481600).

1194117120 is an abundant number, since it is smaller than the sum of its proper divisors (3664846080).

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

1194117120 is an equidigital number, since it uses as much as digits as its factorization.

1194117120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1194117120 is about 34555.9997684917. Note that the first 3 decimals coincide. The cubic root of 1194117120 is about 1060.9191979241.

The spelling of 1194117120 in words is "one billion, one hundred ninety-four million, one hundred seventeen thousand, one hundred twenty".