121040244029 has 2 divisors, whose sum is σ = 121040244030. Its totient is φ = 121040244028.

The previous prime is 121040244007. The next prime is 121040244049. The reversal of 121040244029 is 920442040121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110291738404 + 10748505625 = 332102^2 + 103675^2 .

It is a cyclic number.

It is not a de Polignac number, because 121040244029 - 2³⁶ = 52320767293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121040243992 and 121040244010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121040244049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520122014 + 60520122015.

It is an arithmetic number, because the mean of its divisors is an integer number (60520122015).

Almost surely, 2^121040244029 is an apocalyptic number.

It is an amenable number.

121040244029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121040244029 is an equidigital number, since it uses as much as digits as its factorization.

121040244029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 121040244029 in words is "one hundred twenty-one billion, forty million, two hundred forty-four thousand, twenty-nine".