121424203073 has 2 divisors, whose sum is σ = 121424203074. Its totient is φ = 121424203072.

The previous prime is 121424202989. The next prime is 121424203081. The reversal of 121424203073 is 370302424121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73293108529 + 48131094544 = 270727^2 + 219388^2 .

It is a cyclic number.

It is not a de Polignac number, because 121424203073 - 2⁸ = 121424202817 is a prime.

It is not a weakly prime, because it can be changed into another prime (121424203973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60712101536 + 60712101537.

It is an arithmetic number, because the mean of its divisors is an integer number (60712101537).

Almost surely, 2^121424203073 is an apocalyptic number.

It is an amenable number.

121424203073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121424203073 is an equidigital number, since it uses as much as digits as its factorization.

121424203073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 121424203073 its reverse (370302424121), we get a palindrome (491726627194).

The spelling of 121424203073 in words is "one hundred twenty-one billion, four hundred twenty-four million, two hundred three thousand, seventy-three".