1056822529 has 4 divisors (see below), whose sum is σ = 1207797184. Its totient is φ = 905847876.

The previous prime is 1056822523. The next prime is 1056822551. The reversal of 1056822529 is 9252286501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9252286501 = 1283 ⋅7211447.

It is a cyclic number.

It is not a de Polignac number, because 1056822529 - 2⁵ = 1056822497 is a prime.

It is a super-2 number, since 2×1056822529² = 2233747715603911682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056822491 and 1056822500.

It is not an unprimeable number, because it can be changed into a prime (1056822523) 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, 75487317 + ... + 75487330.

It is an arithmetic number, because the mean of its divisors is an integer number (301949296).

Almost surely, 2^1056822529 is an apocalyptic number.

It is an amenable number.

1056822529 is a deficient number, since it is larger than the sum of its proper divisors (150974655).

1056822529 is an equidigital number, since it uses as much as digits as its factorization.

1056822529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150974654.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1056822529 is about 32508.8069451956. The cubic root of 1056822529 is about 1018.5930007902.

The spelling of 1056822529 in words is "one billion, fifty-six million, eight hundred twenty-two thousand, five hundred twenty-nine".