1300210129 has 2 divisors, whose sum is σ = 1300210130. Its totient is φ = 1300210128.

The previous prime is 1300210127. The next prime is 1300210141. The reversal of 1300210129 is 9210120031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833650129 + 466560000 = 28873^2 + 21600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300210129 - 2¹ = 1300210127 is a prime.

Together with 1300210127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1300210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650105064 + 650105065.

It is an arithmetic number, because the mean of its divisors is an integer number (650105065).

Almost surely, 2^1300210129 is an apocalyptic number.

It is an amenable number.

1300210129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300210129 is an equidigital number, since it uses as much as digits as its factorization.

1300210129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1300210129 is about 36058.4266018361. The cubic root of 1300210129 is about 1091.4516833021.

The spelling of 1300210129 in words is "one billion, three hundred million, two hundred ten thousand, one hundred twenty-nine".