121716044 has 48 divisors (see below), whose sum is σ = 228614400. Its totient is φ = 56601600.

The previous prime is 121716017. The next prime is 121716047. The reversal of 121716044 is 440617121.

It is not an unprimeable number, because it can be changed into a prime (121716047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452342 + ... + 452610.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^121716044 is an apocalyptic number.

It is an amenable number.

121716044 is a deficient number, since it is larger than the sum of its proper divisors (106898356).

121716044 is a wasteful number, since it uses less digits than its factorization.

121716044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 121716044 is about 11032.4994448221. The cubic root of 121716044 is about 495.5824779387.

The spelling of 121716044 in words is "one hundred twenty-one million, seven hundred sixteen thousand, forty-four".