1230274289 has 2 divisors, whose sum is σ = 1230274290. Its totient is φ = 1230274288.

The previous prime is 1230274267. The next prime is 1230274321. The reversal of 1230274289 is 9824720321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706230625 + 524043664 = 26575^2 + 22892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230274289 - 2²⁸ = 961838833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230274219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615137144 + 615137145.

It is an arithmetic number, because the mean of its divisors is an integer number (615137145).

Almost surely, 2^1230274289 is an apocalyptic number.

It is an amenable number.

1230274289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230274289 is an equidigital number, since it uses as much as digits as its factorization.

1230274289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1230274289 is about 35075.2660574371. The cubic root of 1230274289 is about 1071.5209072820.

The spelling of 1230274289 in words is "one billion, two hundred thirty million, two hundred seventy-four thousand, two hundred eighty-nine".