1230053509 has 2 divisors, whose sum is σ = 1230053510. Its totient is φ = 1230053508.

The previous prime is 1230053491. The next prime is 1230053519. The reversal of 1230053509 is 9053500321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957902500 + 272151009 = 30950^2 + 16497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230053509 - 2⁹ = 1230052997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230053519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615026754 + 615026755.

It is an arithmetic number, because the mean of its divisors is an integer number (615026755).

Almost surely, 2^1230053509 is an apocalyptic number.

It is an amenable number.

1230053509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230053509 is an equidigital number, since it uses as much as digits as its factorization.

1230053509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 1230053509 is about 35072.1186842198. The cubic root of 1230053509 is about 1071.4568065253.

The spelling of 1230053509 in words is "one billion, two hundred thirty million, fifty-three thousand, five hundred nine".