121104517 has 2 divisors, whose sum is σ = 121104518. Its totient is φ = 121104516.

The previous prime is 121104509. The next prime is 121104539. The reversal of 121104517 is 715401121.

It is an a-pointer prime, because the next prime (121104539) can be obtained adding 121104517 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113230881 + 7873636 = 10641^2 + 2806^2 .

It is an emirp because it is prime and its reverse (715401121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121104517 - 2³ = 121104509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121104547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60552258 + 60552259.

It is an arithmetic number, because the mean of its divisors is an integer number (60552259).

Almost surely, 2^121104517 is an apocalyptic number.

It is an amenable number.

121104517 is a deficient number, since it is larger than the sum of its proper divisors (1).

121104517 is an equidigital number, since it uses as much as digits as its factorization.

121104517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 121104517 is about 11004.7497472682. The cubic root of 121104517 is about 494.7511138702.

Adding to 121104517 its reverse (715401121), we get a palindrome (836505638).

The spelling of 121104517 in words is "one hundred twenty-one million, one hundred four thousand, five hundred seventeen".