121308716 has 24 divisors (see below), whose sum is σ = 223571040. Its totient is φ = 57480192.

The previous prime is 121308713. The next prime is 121308721. The reversal of 121308716 is 617803121.

It is not an unprimeable number, because it can be changed into a prime (121308713) 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 7 ways as a sum of consecutive naturals, for example, 3980 + ... + 16076.

It is an arithmetic number, because the mean of its divisors is an integer number (9315460).

Almost surely, 2^121308716 is an apocalyptic number.

It is an amenable number.

121308716 is a deficient number, since it is larger than the sum of its proper divisors (102262324).

121308716 is a wasteful number, since it uses less digits than its factorization.

121308716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233 (or 12231 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 121308716 is about 11014.0236062939. The cubic root of 121308716 is about 495.0290307090.

The spelling of 121308716 in words is "one hundred twenty-one million, three hundred eight thousand, seven hundred sixteen".