1194385144 has 32 divisors (see below), whose sum is σ = 2397312000. Its totient is φ = 556168032.

The previous prime is 1194385139. The next prime is 1194385183. The reversal of 1194385144 is 4415834911.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1194385097 and 1194385106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57624 + ... + 75559.

It is an arithmetic number, because the mean of its divisors is an integer number (74916000).

Almost surely, 2^1194385144 is an apocalyptic number.

It is an amenable number.

1194385144 is an abundant number, since it is smaller than the sum of its proper divisors (1202926856).

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

1194385144 is a wasteful number, since it uses less digits than its factorization.

1194385144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133267 (or 133263 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 1194385144 is about 34559.8776618205. The cubic root of 1194385144 is about 1060.9985677308.

The spelling of 1194385144 in words is "one billion, one hundred ninety-four million, three hundred eighty-five thousand, one hundred forty-four".