127143355429 has 2 divisors, whose sum is σ = 127143355430. Its totient is φ = 127143355428.

The previous prime is 127143355399. The next prime is 127143355433. The reversal of 127143355429 is 924553341721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106079187204 + 21064168225 = 325698^2 + 145135^2 .

It is a cyclic number.

It is not a de Polignac number, because 127143355429 - 2⁵ = 127143355397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127143355459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63571677714 + 63571677715.

It is an arithmetic number, because the mean of its divisors is an integer number (63571677715).

Almost surely, 2^127143355429 is an apocalyptic number.

It is an amenable number.

127143355429 is a deficient number, since it is larger than the sum of its proper divisors (1).

127143355429 is an equidigital number, since it uses as much as digits as its factorization.

127143355429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The spelling of 127143355429 in words is "one hundred twenty-seven billion, one hundred forty-three million, three hundred fifty-five thousand, four hundred twenty-nine".