1272876056 has 16 divisors (see below), whose sum is σ = 2387046840. Its totient is φ = 636330240.

The previous prime is 1272876049. The next prime is 1272876113. The reversal of 1272876056 is 6506782721.

It is a super-3 number, since 3×1272876056³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1272875998 and 1272876016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60791 + ... + 79001.

Almost surely, 2^1272876056 is an apocalyptic number.

It is an amenable number.

1272876056 is a deficient number, since it is larger than the sum of its proper divisors (1114170784).

1272876056 is a wasteful number, since it uses less digits than its factorization.

1272876056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26954 (or 26950 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 1272876056 is about 35677.3885815652. The cubic root of 1272876056 is about 1083.7489898694.

The spelling of 1272876056 in words is "one billion, two hundred seventy-two million, eight hundred seventy-six thousand, fifty-six".