121076689 has 2 divisors, whose sum is σ = 121076690. Its totient is φ = 121076688.

The previous prime is 121076671. The next prime is 121076693. The reversal of 121076689 is 986670121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101848464 + 19228225 = 10092^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 121076689 - 2¹⁵ = 121043921 is a prime.

It is not a weakly prime, because it can be changed into another prime (121076609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60538344 + 60538345.

It is an arithmetic number, because the mean of its divisors is an integer number (60538345).

Almost surely, 2^121076689 is an apocalyptic number.

It is an amenable number.

121076689 is a deficient number, since it is larger than the sum of its proper divisors (1).

121076689 is an equidigital number, since it uses as much as digits as its factorization.

121076689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 121076689 is about 11003.4853114820. The cubic root of 121076689 is about 494.7132155076.

It can be divided in two parts, 12 and 1076689, that added together give a palindrome (1076701).

The spelling of 121076689 in words is "one hundred twenty-one million, seventy-six thousand, six hundred eighty-nine".