1047056771 has 4 divisors (see below), whose sum is σ = 1062684552. Its totient is φ = 1031428992.

The previous prime is 1047056683. The next prime is 1047056789. The reversal of 1047056771 is 1776507401.

It is a happy number.

1047056771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1776507401 = 71 ⋅25021231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047056771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047056671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7813790 + ... + 7813923.

It is an arithmetic number, because the mean of its divisors is an integer number (265671138).

Almost surely, 2^1047056771 is an apocalyptic number.

1047056771 is a deficient number, since it is larger than the sum of its proper divisors (15627781).

1047056771 is an equidigital number, since it uses as much as digits as its factorization.

1047056771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15627780.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 1047056771 is about 32358.2566124938. The cubic root of 1047056771 is about 1015.4457896037.

The spelling of 1047056771 in words is "one billion, forty-seven million, fifty-six thousand, seven hundred seventy-one".