1234420130791 has 2 divisors, whose sum is σ = 1234420130792. Its totient is φ = 1234420130790.

The previous prime is 1234420130771. The next prime is 1234420130809. The reversal of 1234420130791 is 1970310244321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234420130791 - 2⁵ = 1234420130759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1234420130791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234420130731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617210065395 + 617210065396.

It is an arithmetic number, because the mean of its divisors is an integer number (617210065396).

Almost surely, 2^{1234420130791} is an apocalyptic number.

1234420130791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234420130791 is an equidigital number, since it uses as much as digits as its factorization.

1234420130791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 1234420130791 in words is "one trillion, two hundred thirty-four billion, four hundred twenty million, one hundred thirty thousand, seven hundred ninety-one".