1300052129 has 2 divisors, whose sum is σ = 1300052130. Its totient is φ = 1300052128.

The previous prime is 1300052123. The next prime is 1300052179. The reversal of 1300052129 is 9212500031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1131649600 + 168402529 = 33640^2 + 12977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300052129 - 2²⁴ = 1283274913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300052123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650026064 + 650026065.

It is an arithmetic number, because the mean of its divisors is an integer number (650026065).

Almost surely, 2^1300052129 is an apocalyptic number.

It is an amenable number.

1300052129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300052129 is an equidigital number, since it uses as much as digits as its factorization.

1300052129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1300052129 is about 36056.2356465563. The cubic root of 1300052129 is about 1091.4074708711.

The spelling of 1300052129 in words is "one billion, three hundred million, fifty-two thousand, one hundred twenty-nine".