1056134771 has 4 divisors (see below), whose sum is σ = 1084678992. Its totient is φ = 1027590552.

The previous prime is 1056134767. The next prime is 1056134777. The reversal of 1056134771 is 1774316501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1774316501 = 19 ⋅93385079.

It is a cyclic number.

It is not a de Polignac number, because 1056134771 - 2² = 1056134767 is a prime.

It is a super-2 number, since 2×1056134771² = 2230841309030444882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056134777) 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, 14272055 + ... + 14272128.

It is an arithmetic number, because the mean of its divisors is an integer number (271169748).

Almost surely, 2^1056134771 is an apocalyptic number.

1056134771 is a deficient number, since it is larger than the sum of its proper divisors (28544221).

1056134771 is an equidigital number, since it uses as much as digits as its factorization.

1056134771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28544220.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1056134771 is about 32498.2271978027. The cubic root of 1056134771 is about 1018.3719931667.

The spelling of 1056134771 in words is "one billion, fifty-six million, one hundred thirty-four thousand, seven hundred seventy-one".