121944112 has 10 divisors (see below), whose sum is σ = 236266748. Its totient is φ = 60972048.

The previous prime is 121944089. The next prime is 121944113. The reversal of 121944112 is 211449121.

It is not an unprimeable number, because it can be changed into a prime (121944113) 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 as a sum of consecutive naturals, namely, 3810738 + ... + 3810769.

Almost surely, 2^121944112 is an apocalyptic number.

It is an amenable number.

121944112 is a deficient number, since it is larger than the sum of its proper divisors (114322636).

121944112 is an equidigital number, since it uses as much as digits as its factorization.

121944112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621515 (or 7621509 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 121944112 is about 11042.8307964942. The cubic root of 121944112 is about 495.8918208404.

The spelling of 121944112 in words is "one hundred twenty-one million, nine hundred forty-four thousand, one hundred twelve".