1253101242403 has 2 divisors, whose sum is σ = 1253101242404. Its totient is φ = 1253101242402.

The previous prime is 1253101242391. The next prime is 1253101242427. The reversal of 1253101242403 is 3042421013521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253101242403 - 2⁹ = 1253101241891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253101242433) 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, 626550621201 + 626550621202.

It is an arithmetic number, because the mean of its divisors is an integer number (626550621202).

Almost surely, 2^{1253101242403} is an apocalyptic number.

1253101242403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253101242403 is an equidigital number, since it uses as much as digits as its factorization.

1253101242403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1253101242403 its reverse (3042421013521), we get a palindrome (4295522255924).

The spelling of 1253101242403 in words is "one trillion, two hundred fifty-three billion, one hundred one million, two hundred forty-two thousand, four hundred three".