1056621027 has 32 divisors (see below), whose sum is σ = 1848913920. Its totient is φ = 520002720.

The previous prime is 1056620993. The next prime is 1056621031. The reversal of 1056621027 is 7201266501.

It is not a de Polignac number, because 1056621027 - 2¹² = 1056616931 is a prime.

It is a super-2 number, since 2×1056621027² = 2232895989397069458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056620985 and 1056621003.

It is not an unprimeable number, because it can be changed into a prime (1056621037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115983 + ... + 124760.

It is an arithmetic number, because the mean of its divisors is an integer number (57778560).

Almost surely, 2^1056621027 is an apocalyptic number.

1056621027 is a deficient number, since it is larger than the sum of its proper divisors (792292893).

1056621027 is a wasteful number, since it uses less digits than its factorization.

1056621027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240783.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1056621027 is about 32505.7076065112. The cubic root of 1056621027 is about 1018.5282590549.

Adding to 1056621027 its reverse (7201266501), we get a palindrome (8257887528).

The spelling of 1056621027 in words is "one billion, fifty-six million, six hundred twenty-one thousand, twenty-seven".