1272260323 has 2 divisors, whose sum is σ = 1272260324. Its totient is φ = 1272260322.

The previous prime is 1272260321. The next prime is 1272260329. The reversal of 1272260323 is 3230622721.

It is a weak prime.

It is an emirp because it is prime and its reverse (3230622721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1272260323 - 2¹ = 1272260321 is a prime.

Together with 1272260321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1272260291 and 1272260300.

It is not a weakly prime, because it can be changed into another prime (1272260321) 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, 636130161 + 636130162.

It is an arithmetic number, because the mean of its divisors is an integer number (636130162).

Almost surely, 2^1272260323 is an apocalyptic number.

1272260323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272260323 is an equidigital number, since it uses as much as digits as its factorization.

1272260323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1272260323 is about 35668.7583607840. The cubic root of 1272260323 is about 1083.5742130609.

The spelling of 1272260323 in words is "one billion, two hundred seventy-two million, two hundred sixty thousand, three hundred twenty-three".