121700716 has 12 divisors (see below), whose sum is σ = 216586440. Its totient is φ = 59818880.

The previous prime is 121700713. The next prime is 121700717. The reversal of 121700716 is 617007121.

It is a super-2 number, since 2×121700716² = 29622128549825312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121700713) 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, 257605 + ... + 258076.

It is an arithmetic number, because the mean of its divisors is an integer number (18048870).

Almost surely, 2^121700716 is an apocalyptic number.

It is an amenable number.

121700716 is a deficient number, since it is larger than the sum of its proper divisors (94885724).

121700716 is a wasteful number, since it uses less digits than its factorization.

121700716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515744 (or 515742 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 121700716 is about 11031.8047480909. The cubic root of 121700716 is about 495.5616737596.

Adding to 121700716 its reverse (617007121), we get a palindrome (738707837).

The spelling of 121700716 in words is "one hundred twenty-one million, seven hundred thousand, seven hundred sixteen".