1272556083 has 16 divisors (see below), whose sum is σ = 1719196416. Its totient is φ = 837167520.

The previous prime is 1272556081. The next prime is 1272556091. The reversal of 1272556083 is 3806552721.

It is not a de Polignac number, because 1272556083 - 2¹ = 1272556081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272556081) 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 15 ways as a sum of consecutive naturals, for example, 254241 + ... + 259197.

It is an arithmetic number, because the mean of its divisors is an integer number (107449776).

Almost surely, 2^1272556083 is an apocalyptic number.

1272556083 is a deficient number, since it is larger than the sum of its proper divisors (446640333).

1272556083 is a wasteful number, since it uses less digits than its factorization.

1272556083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1272556083 is about 35672.9040449471. The cubic root of 1272556083 is about 1083.6581720518.

The spelling of 1272556083 in words is "one billion, two hundred seventy-two million, five hundred fifty-six thousand, eighty-three".