121243134114043 has 2 divisors, whose sum is σ = 121243134114044. Its totient is φ = 121243134114042.

The previous prime is 121243134113977. The next prime is 121243134114077. The reversal of 121243134114043 is 340411431342121.

It is an a-pointer prime, because the next prime (121243134114077) can be obtained adding 121243134114043 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121243134114043 - 2⁴⁵ = 86058762025211 is a prime.

It is not a weakly prime, because it can be changed into another prime (121243134124043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60621567057021 + 60621567057022.

It is an arithmetic number, because the mean of its divisors is an integer number (60621567057022).

Almost surely, 2^{121243134114043} is an apocalyptic number.

121243134114043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121243134114043 is an equidigital number, since it uses as much as digits as its factorization.

121243134114043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 121243134114043 its reverse (340411431342121), we get a palindrome (461654565456164).

The spelling of 121243134114043 in words is "one hundred twenty-one trillion, two hundred forty-three billion, one hundred thirty-four million, one hundred fourteen thousand, forty-three".