121301001197 has 2 divisors, whose sum is σ = 121301001198. Its totient is φ = 121301001196.

The previous prime is 121301001191. The next prime is 121301001229. The reversal of 121301001197 is 791100103121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91364734756 + 29936266441 = 302266^2 + 173021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301001197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301001191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650500598 + 60650500599.

It is an arithmetic number, because the mean of its divisors is an integer number (60650500599).

Almost surely, 2^121301001197 is an apocalyptic number.

It is an amenable number.

121301001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301001197 is an equidigital number, since it uses as much as digits as its factorization.

121301001197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The spelling of 121301001197 in words is "one hundred twenty-one billion, three hundred one million, one thousand, one hundred ninety-seven".