1272288675 has 36 divisors (see below), whose sum is σ = 2446955736. Its totient is φ = 581616000.

The previous prime is 1272288613. The next prime is 1272288679. The reversal of 1272288675 is 5768822721.

It is not a de Polignac number, because 1272288675 - 2⁸ = 1272288419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272288679) 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 in 35 ways as a sum of consecutive naturals, for example, 169426 + ... + 176775.

Almost surely, 2^1272288675 is an apocalyptic number.

1272288675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1272288675 is a deficient number, since it is larger than the sum of its proper divisors (1174667061).

1272288675 is a wasteful number, since it uses less digits than its factorization.

1272288675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346228 (or 346216 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 1272288675 is about 35669.1557932060. The cubic root of 1272288675 is about 1083.5822620603.

The spelling of 1272288675 in words is "one billion, two hundred seventy-two million, two hundred eighty-eight thousand, six hundred seventy-five".