121340425441097 has 2 divisors, whose sum is σ = 121340425441098. Its totient is φ = 121340425441096.

The previous prime is 121340425441049. The next prime is 121340425441139. The reversal of 121340425441097 is 790144524043121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69527263566601 + 51813161874496 = 8338301^2 + 7198136^2 .

It is a cyclic number.

It is not a de Polignac number, because 121340425441097 - 2²⁶ = 121340358332233 is a prime.

It is not a weakly prime, because it can be changed into another prime (121340425441297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670212720548 + 60670212720549.

It is an arithmetic number, because the mean of its divisors is an integer number (60670212720549).

Almost surely, 2^{121340425441097} is an apocalyptic number.

It is an amenable number.

121340425441097 is a deficient number, since it is larger than the sum of its proper divisors (1).

121340425441097 is an equidigital number, since it uses as much as digits as its factorization.

121340425441097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 121340425441097 in words is "one hundred twenty-one trillion, three hundred forty billion, four hundred twenty-five million, four hundred forty-one thousand, ninety-seven".