1272282328 has 8 divisors (see below), whose sum is σ = 2385529380. Its totient is φ = 636141160.

The previous prime is 1272282311. The next prime is 1272282343. The reversal of 1272282328 is 8232822721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79517638 + ... + 79517653.

Almost surely, 2^1272282328 is an apocalyptic number.

It is an amenable number.

1272282328 is a deficient number, since it is larger than the sum of its proper divisors (1113247052).

1272282328 is a wasteful number, since it uses less digits than its factorization.

1272282328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159035297 (or 159035293 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 1272282328 is about 35669.0668226686. The cubic root of 1272282328 is about 1083.5804601873.

The spelling of 1272282328 in words is "one billion, two hundred seventy-two million, two hundred eighty-two thousand, three hundred twenty-eight".