1201123403141 has 2 divisors, whose sum is σ = 1201123403142. Its totient is φ = 1201123403140.

The previous prime is 1201123403087. The next prime is 1201123403143. The reversal of 1201123403141 is 1413043211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198924262116 + 2199141025 = 1094954^2 + 46895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201123403141 is a prime.

Together with 1201123403143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201123403143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561701570 + 600561701571.

It is an arithmetic number, because the mean of its divisors is an integer number (600561701571).

Almost surely, 2^{1201123403141} is an apocalyptic number.

It is an amenable number.

1201123403141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201123403141 is an equidigital number, since it uses as much as digits as its factorization.

1201123403141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1201123403141 its reverse (1413043211021), we get a palindrome (2614166614162).

It can be divided in two parts, 120112 and 3403141, that added together give a palindrome (3523253).

The spelling of 1201123403141 in words is "one trillion, two hundred one billion, one hundred twenty-three million, four hundred three thousand, one hundred forty-one".