1272056 has 16 divisors (see below), whose sum is σ = 2467800. Its totient is φ = 613984.

The previous prime is 1272049. The next prime is 1272067. The reversal of 1272056 is 6502721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510 + ... + 2973.

2^1272056 is an apocalyptic number.

It is an amenable number.

1272056 is a deficient number, since it is larger than the sum of its proper divisors (1195744).

1272056 is a wasteful number, since it uses less digits than its factorization.

1272056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1272056 is about 1127.8546005581. The cubic root of 1272056 is about 108.3516203186.

Adding to 1272056 its reverse (6502721), we get a palindrome (7774777).

It can be divided in two parts, 127205 and 6, that multiplied together give a triangular number (763230 = T₁₂₃₅).

The spelling of 1272056 in words is "one million, two hundred seventy-two thousand, fifty-six".