121762216 has 16 divisors (see below), whose sum is σ = 228765600. Its totient is φ = 60758064.

The previous prime is 121762189. The next prime is 121762217. The reversal of 121762216 is 612267121.

It is not an unprimeable number, because it can be changed into a prime (121762217) 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 3 ways as a sum of consecutive naturals, for example, 11106 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (14297850).

Almost surely, 2^121762216 is an apocalyptic number.

It is an amenable number.

121762216 is a deficient number, since it is larger than the sum of its proper divisors (107003384).

121762216 is a wasteful number, since it uses less digits than its factorization.

121762216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768 (or 30764 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 121762216 is about 11034.5917912717. The cubic root of 121762216 is about 495.6451350890.

The spelling of 121762216 in words is "one hundred twenty-one million, seven hundred sixty-two thousand, two hundred sixteen".