1056243056 has 80 divisors (see below), whose sum is σ = 2298067200. Its totient is φ = 466152960.

The previous prime is 1056243043. The next prime is 1056243077. The reversal of 1056243056 is 6503426501.

It is a super-2 number, since 2×1056243056² = 2231298786696438272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763045 + ... + 1763643.

It is an arithmetic number, because the mean of its divisors is an integer number (28725840).

Almost surely, 2^1056243056 is an apocalyptic number.

1056243056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056243056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149033600).

1056243056 is an abundant number, since it is smaller than the sum of its proper divisors (1241824144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056243056 is a wasteful number, since it uses less digits than its factorization.

1056243056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1056243056 is about 32499.8931690552. The cubic root of 1056243056 is about 1018.4067963773.

Adding to 1056243056 its reverse (6503426501), we get a palindrome (7559669557).

The spelling of 1056243056 in words is "one billion, fifty-six million, two hundred forty-three thousand, fifty-six".