1201043042401 has 2 divisors, whose sum is σ = 1201043042402. Its totient is φ = 1201043042400.

The previous prime is 1201043042389. The next prime is 1201043042413. The reversal of 1201043042401 is 1042403401021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1201043042389) and next prime (1201043042413).

It can be written as a sum of positive squares in only one way, i.e., 630632927376 + 570410115025 = 794124^2 + 755255^2 .

It is an emirp because it is prime and its reverse (1042403401021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201043042401 - 2³⁹ = 651287228513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201043142401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600521521200 + 600521521201.

It is an arithmetic number, because the mean of its divisors is an integer number (600521521201).

Almost surely, 2^{1201043042401} is an apocalyptic number.

It is an amenable number.

1201043042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201043042401 is an equidigital number, since it uses as much as digits as its factorization.

1201043042401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1201043042401 its reverse (1042403401021), we get a palindrome (2243446443422).

The spelling of 1201043042401 in words is "one trillion, two hundred one billion, forty-three million, forty-two thousand, four hundred one".