1056823133 has 4 divisors (see below), whose sum is σ = 1093265340. Its totient is φ = 1020380928.

The previous prime is 1056823129. The next prime is 1056823181. The reversal of 1056823133 is 3313286501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400080004 + 656743129 = 20002^2 + 25627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056823133 - 2² = 1056823129 is a prime.

It is a super-2 number, since 2×1056823133² = 2233750268887871378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056823133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056823333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18221060 + ... + 18221117.

It is an arithmetic number, because the mean of its divisors is an integer number (273316335).

Almost surely, 2^1056823133 is an apocalyptic number.

It is an amenable number.

1056823133 is a deficient number, since it is larger than the sum of its proper divisors (36442207).

1056823133 is an equidigital number, since it uses as much as digits as its factorization.

1056823133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36442206.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1056823133 is about 32508.8162349846. The cubic root of 1056823133 is about 1018.5931948404.

The spelling of 1056823133 in words is "one billion, fifty-six million, eight hundred twenty-three thousand, one hundred thirty-three".