1122112194 has 32 divisors (see below), whose sum is σ = 2567531520. Its totient is φ = 320265552.

The previous prime is 1122112193. The next prime is 1122112207. The reversal of 1122112194 is 4912112211.

It is not an unprimeable number, because it can be changed into a prime (1122112193) 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 15 ways as a sum of consecutive naturals, for example, 27697 + ... + 54875.

It is an arithmetic number, because the mean of its divisors is an integer number (80235360).

Almost surely, 2^1122112194 is an apocalyptic number.

1122112194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1122112194 is an abundant number, since it is smaller than the sum of its proper divisors (1445419326).

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

1122112194 is a wasteful number, since it uses less digits than its factorization.

1122112194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174.

The product of its digits is 288, while the sum is 24.

The square root of 1122112194 is about 33497.9431308849. The cubic root of 1122112194 is about 1039.1512410593.

The spelling of 1122112194 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred ninety-four".