121716652 has 12 divisors (see below), whose sum is σ = 217536480. Its totient is φ = 59563376.

The previous prime is 121716631. The next prime is 121716653. The reversal of 121716652 is 256617121.

It is not an unprimeable number, because it can be changed into a prime (121716653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323527 + ... + 323902.

It is an arithmetic number, because the mean of its divisors is an integer number (18128040).

Almost surely, 2^121716652 is an apocalyptic number.

It is an amenable number.

121716652 is a deficient number, since it is larger than the sum of its proper divisors (95819828).

121716652 is a wasteful number, since it uses less digits than its factorization.

121716652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647480 (or 647478 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 121716652 is about 11032.5269997404. The cubic root of 121716652 is about 495.5833031206.

The spelling of 121716652 in words is "one hundred twenty-one million, seven hundred sixteen thousand, six hundred fifty-two".