1056120004 has 9 divisors (see below), whose sum is σ = 1848323757. Its totient is φ = 528027504.

The previous prime is 1056119993. The next prime is 1056120007. The reversal of 1056120004 is 4000216501.

The square root of 1056120004 is 32498.

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

It can be written as a sum of positive squares in only one way, i.e., 630110404 + 426009600 = 25102^2 + 20640^2 .

It is a super-2 number, since 2×1056120004² = 2230778925697920032, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56872 + ... + 73120.

Almost surely, 2^1056120004 is an apocalyptic number.

1056120004 is the 32498-th square number.

It is an amenable number.

1056120004 is a deficient number, since it is larger than the sum of its proper divisors (792203753).

1056120004 is an frugal number, since it uses more digits than its factorization.

1056120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32502 (or 16251 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The cubic root of 1056120004 is about 1018.3672468124.

Adding to 1056120004 its reverse (4000216501), we get a palindrome (5056336505).

The spelling of 1056120004 in words is "one billion, fifty-six million, one hundred twenty thousand, four".