1230052009 has 2 divisors, whose sum is σ = 1230052010. Its totient is φ = 1230052008.

The previous prime is 1230052003. The next prime is 1230052049. The reversal of 1230052009 is 9002500321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853808400 + 376243609 = 29220^2 + 19397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230052009 - 2¹³ = 1230043817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230052003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615026004 + 615026005.

It is an arithmetic number, because the mean of its divisors is an integer number (615026005).

Almost surely, 2^1230052009 is an apocalyptic number.

It is an amenable number.

1230052009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230052009 is an equidigital number, since it uses as much as digits as its factorization.

1230052009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1230052009 is about 35072.0972997054. The cubic root of 1230052009 is about 1071.4563709926.

The spelling of 1230052009 in words is "one billion, two hundred thirty million, fifty-two thousand, nine".