121266577 has 2 divisors, whose sum is σ = 121266578. Its totient is φ = 121266576.

The previous prime is 121266571. The next prime is 121266589. The reversal of 121266577 is 775662121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 13957696 = 10359^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 121266577 - 2¹⁵ = 121233809 is a prime.

It is not a weakly prime, because it can be changed into another prime (121266571) 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, 60633288 + 60633289.

It is an arithmetic number, because the mean of its divisors is an integer number (60633289).

Almost surely, 2^121266577 is an apocalyptic number.

It is an amenable number.

121266577 is a deficient number, since it is larger than the sum of its proper divisors (1).

121266577 is an equidigital number, since it uses as much as digits as its factorization.

121266577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 121266577 is about 11012.1104698418. The cubic root of 121266577 is about 494.9717046711.

The spelling of 121266577 in words is "one hundred twenty-one million, two hundred sixty-six thousand, five hundred seventy-seven".