121266617 has 2 divisors, whose sum is σ = 121266618. Its totient is φ = 121266616.

The previous prime is 121266611. The next prime is 121266623. The reversal of 121266617 is 716662121.

It is a balanced prime because it is at equal distance from previous prime (121266611) and next prime (121266623).

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 4280761 = 10816^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 121266617 - 2⁴ = 121266601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121266611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60633308 + 60633309.

It is an arithmetic number, because the mean of its divisors is an integer number (60633309).

Almost surely, 2^121266617 is an apocalyptic number.

It is an amenable number.

121266617 is a deficient number, since it is larger than the sum of its proper divisors (1).

121266617 is an equidigital number, since it uses as much as digits as its factorization.

121266617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 121266617 is about 11012.1122860240. The cubic root of 121266617 is about 494.9717590935.

The spelling of 121266617 in words is "one hundred twenty-one million, two hundred sixty-six thousand, six hundred seventeen".