124020121133 has 2 divisors, whose sum is σ = 124020121134. Its totient is φ = 124020121132.

The previous prime is 124020121087. The next prime is 124020121151. The reversal of 124020121133 is 331121020421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72510641284 + 51509479849 = 269278^2 + 226957^2 .

It is a cyclic number.

It is not a de Polignac number, because 124020121133 - 2¹⁰ = 124020120109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124020121153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62010060566 + 62010060567.

It is an arithmetic number, because the mean of its divisors is an integer number (62010060567).

Almost surely, 2^124020121133 is an apocalyptic number.

It is an amenable number.

124020121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

124020121133 is an equidigital number, since it uses as much as digits as its factorization.

124020121133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 124020121133 its reverse (331121020421), we get a palindrome (455141141554).

The spelling of 124020121133 in words is "one hundred twenty-four billion, twenty million, one hundred twenty-one thousand, one hundred thirty-three".