121005060997 has 2 divisors, whose sum is σ = 121005060998. Its totient is φ = 121005060996.

The previous prime is 121005060929. The next prime is 121005061013. The reversal of 121005060997 is 799060500121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89826683521 + 31178377476 = 299711^2 + 176574^2 .

It is a cyclic number.

It is not a de Polignac number, because 121005060997 - 2¹¹ = 121005058949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121005060797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60502530498 + 60502530499.

It is an arithmetic number, because the mean of its divisors is an integer number (60502530499).

Almost surely, 2^121005060997 is an apocalyptic number.

It is an amenable number.

121005060997 is a deficient number, since it is larger than the sum of its proper divisors (1).

121005060997 is an equidigital number, since it uses as much as digits as its factorization.

121005060997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 121005060997 in words is "one hundred twenty-one billion, five million, sixty thousand, nine hundred ninety-seven".