1194542112 has 24 divisors (see below), whose sum is σ = 3135673296. Its totient is φ = 398180672.

The previous prime is 1194542087. The next prime is 1194542117. The reversal of 1194542112 is 2112454911.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1194542112.

It is not an unprimeable number, because it can be changed into a prime (1194542117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221478 + ... + 6221669.

It is an arithmetic number, because the mean of its divisors is an integer number (130653054).

Almost surely, 2^1194542112 is an apocalyptic number.

1194542112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1194542112 is an abundant number, since it is smaller than the sum of its proper divisors (1941131184).

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

1194542112 is a wasteful number, since it uses less digits than its factorization.

1194542112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443160 (or 12443152 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1194542112 is about 34562.1485443252. The cubic root of 1194542112 is about 1061.0450450693.

The spelling of 1194542112 in words is "one billion, one hundred ninety-four million, five hundred forty-two thousand, one hundred twelve".