1056356871 has 24 divisors (see below), whose sum is σ = 1469245680. Its totient is φ = 674303616.

The previous prime is 1056356849. The next prime is 1056356893. The reversal of 1056356871 is 1786536501.

It is an interprime number because it is at equal distance from previous prime (1056356849) and next prime (1056356893).

It is not a de Polignac number, because 1056356871 - 2¹⁷ = 1056225799 is a prime.

It is a super-3 number, since 3×1056356871³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056356831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2311275 + ... + 2311731.

It is an arithmetic number, because the mean of its divisors is an integer number (61218570).

Almost surely, 2^1056356871 is an apocalyptic number.

1056356871 is a deficient number, since it is larger than the sum of its proper divisors (412888809).

1056356871 is an equidigital number, since it uses as much as digits as its factorization.

1056356871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1056356871 is about 32501.6441276438. The cubic root of 1056356871 is about 1018.4433743871.

The spelling of 1056356871 in words is "one billion, fifty-six million, three hundred fifty-six thousand, eight hundred seventy-one".