1489307129 has 2 divisors, whose sum is σ = 1489307130. Its totient is φ = 1489307128.

The previous prime is 1489307123. The next prime is 1489307137. The reversal of 1489307129 is 9217039841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1209648400 + 279658729 = 34780^2 + 16723^2 .

It is an emirp because it is prime and its reverse (9217039841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489307129 - 2⁸ = 1489306873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1489307129.

It is not a weakly prime, because it can be changed into another prime (1489307123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744653564 + 744653565.

It is an arithmetic number, because the mean of its divisors is an integer number (744653565).

Almost surely, 2^1489307129 is an apocalyptic number.

It is an amenable number.

1489307129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489307129 is an equidigital number, since it uses as much as digits as its factorization.

1489307129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1489307129 is about 38591.5421951494. The cubic root of 1489307129 is about 1141.9876908326.

The spelling of 1489307129 in words is "one billion, four hundred eighty-nine million, three hundred seven thousand, one hundred twenty-nine".