1301129429 has 2 divisors, whose sum is σ = 1301129430. Its totient is φ = 1301129428.

The previous prime is 1301129393. The next prime is 1301129477. The reversal of 1301129429 is 9249211031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207562500 + 93566929 = 34750^2 + 9673^2 .

It is an emirp because it is prime and its reverse (9249211031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301129429 - 2²⁰ = 1300080853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1301129395 and 1301129404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301129129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650564714 + 650564715.

It is an arithmetic number, because the mean of its divisors is an integer number (650564715).

Almost surely, 2^1301129429 is an apocalyptic number.

It is an amenable number.

1301129429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301129429 is an equidigital number, since it uses as much as digits as its factorization.

1301129429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1301129429 is about 36071.1717164830. The cubic root of 1301129429 is about 1091.7088558746.

The spelling of 1301129429 in words is "one billion, three hundred one million, one hundred twenty-nine thousand, four hundred twenty-nine".