1272601303 has 2 divisors, whose sum is σ = 1272601304. Its totient is φ = 1272601302.

The previous prime is 1272601261. The next prime is 1272601307. The reversal of 1272601303 is 3031062721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1272601303 - 2²⁵ = 1239046871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1272601307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636300651 + 636300652.

It is an arithmetic number, because the mean of its divisors is an integer number (636300652).

Almost surely, 2^1272601303 is an apocalyptic number.

1272601303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272601303 is an equidigital number, since it uses as much as digits as its factorization.

1272601303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1272601303 is about 35673.5378537089. The cubic root of 1272601303 is about 1083.6710077513.

The spelling of 1272601303 in words is "one billion, two hundred seventy-two million, six hundred one thousand, three hundred three".