1272255233 has 4 divisors (see below), whose sum is σ = 1301842608. Its totient is φ = 1242667860.

The previous prime is 1272255227. The next prime is 1272255241. The reversal of 1272255233 is 3325522721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3325522721 = 30661 ⋅108461.

It is a cyclic number.

It is not a de Polignac number, because 1272255233 - 2⁴ = 1272255217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272255233.

It is not an unprimeable number, because it can be changed into a prime (1272255253) 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 in 3 ways as a sum of consecutive naturals, for example, 14793623 + ... + 14793708.

It is an arithmetic number, because the mean of its divisors is an integer number (325460652).

Almost surely, 2^1272255233 is an apocalyptic number.

It is an amenable number.

1272255233 is a deficient number, since it is larger than the sum of its proper divisors (29587375).

1272255233 is an equidigital number, since it uses as much as digits as its factorization.

1272255233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29587374.

The product of its digits is 25200, while the sum is 32.

The square root of 1272255233 is about 35668.6870097569. The cubic root of 1272255233 is about 1083.5727680212.

Adding to 1272255233 its reverse (3325522721), we get a palindrome (4597777954).

The spelling of 1272255233 in words is "one billion, two hundred seventy-two million, two hundred fifty-five thousand, two hundred thirty-three".