121944448 has 16 divisors (see below), whose sum is σ = 242936460. Its totient is φ = 60972160.

The previous prime is 121944437. The next prime is 121944521. The reversal of 121944448 is 844449121.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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, 476218 + ... + 476473.

Almost surely, 2^121944448 is an apocalyptic number.

It is an amenable number.

121944448 is a deficient number, since it is larger than the sum of its proper divisors (120992012).

121944448 is an frugal number, since it uses more digits than its factorization.

121944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952705 (or 952693 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 121944448 is about 11042.8460099741. The cubic root of 121944448 is about 495.8922762936.

The spelling of 121944448 in words is "one hundred twenty-one million, nine hundred forty-four thousand, four hundred forty-eight".