121730068 has 18 divisors (see below), whose sum is σ = 216106058. Its totient is φ = 59997840.

The previous prime is 121730057. The next prime is 121730069. The reversal of 121730068 is 860037121.

It can be written as a sum of positive squares in only one way, i.e., 87834384 + 33895684 = 9372^2 + 5822^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121730069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17146 + ... + 23182.

Almost surely, 2^121730068 is an apocalyptic number.

It is an amenable number.

121730068 is a deficient number, since it is larger than the sum of its proper divisors (94375990).

121730068 is an equidigital number, since it uses as much as digits as its factorization.

121730068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6110 counting only the distinct ones).

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

The square root of 121730068 is about 11033.1350032527. The cubic root of 121730068 is about 495.6015107124.

Adding to 121730068 its reverse (860037121), we get a palindrome (981767189).

The spelling of 121730068 in words is "one hundred twenty-one million, seven hundred thirty thousand, sixty-eight".