1300118389 has 2 divisors, whose sum is σ = 1300118390. Its totient is φ = 1300118388.

The previous prime is 1300118381. The next prime is 1300118399. The reversal of 1300118389 is 9838110031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060023364 + 240095025 = 32558^2 + 15495^2 .

It is an emirp because it is prime and its reverse (9838110031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300118389 - 2³ = 1300118381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300118381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650059194 + 650059195.

It is an arithmetic number, because the mean of its divisors is an integer number (650059195).

Almost surely, 2^1300118389 is an apocalyptic number.

It is an amenable number.

1300118389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300118389 is an equidigital number, since it uses as much as digits as its factorization.

1300118389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1300118389 is about 36057.1544773017. The cubic root of 1300118389 is about 1091.4260125457.

The spelling of 1300118389 in words is "one billion, three hundred million, one hundred eighteen thousand, three hundred eighty-nine".