121014689 has 2 divisors, whose sum is σ = 121014690. Its totient is φ = 121014688.

The previous prime is 121014659. The next prime is 121014697. The reversal of 121014689 is 986410121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120275089 + 739600 = 10967^2 + 860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121014689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121014659) 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 as a sum of consecutive naturals, namely, 60507344 + 60507345.

It is an arithmetic number, because the mean of its divisors is an integer number (60507345).

Almost surely, 2^121014689 is an apocalyptic number.

It is an amenable number.

121014689 is a deficient number, since it is larger than the sum of its proper divisors (1).

121014689 is an equidigital number, since it uses as much as digits as its factorization.

121014689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 121014689 is about 11000.6676615558. The cubic root of 121014689 is about 494.6287581372.

The spelling of 121014689 in words is "one hundred twenty-one million, fourteen thousand, six hundred eighty-nine".