1056220731076 has 45 divisors (see below), whose sum is σ = 2156527990799. Its totient is φ = 452622863112.

The previous prime is 1056220731053. The next prime is 1056220731077. The reversal of 1056220731076 is 6701370226501.

The square root of 1056220731076 is 1027726.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1056220731076² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056220731077) 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 14 ways as a sum of consecutive naturals, for example, 100711905 + ... + 100722391.

Almost surely, 2^{1056220731076} is an apocalyptic number.

1056220731076 is the 1027726-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056220731076

1056220731076 is an abundant number, since it is smaller than the sum of its proper divisors (1100307259723).

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

1056220731076 is an frugal number, since it uses more digits than its factorization.

1056220731076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006 (or 10496 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

Adding to 1056220731076 its reverse (6701370226501), we get a palindrome (7757590957577).

The spelling of 1056220731076 in words is "one trillion, fifty-six billion, two hundred twenty million, seven hundred thirty-one thousand, seventy-six".