1056040205 has 24 divisors (see below), whose sum is σ = 1395073176. Its totient is φ = 766846080.

The previous prime is 1056040171. The next prime is 1056040207. The reversal of 1056040205 is 5020406501.

It can be written as a sum of positive squares in 4 ways, for example, as 236821321 + 819218884 = 15389^2 + 28622^2 .

It is not a de Polignac number, because 1056040205 - 2¹² = 1056036109 is a prime.

It is a super-2 number, since 2×1056040205² = 2230441829152884050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056040207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660467 + ... + 662063.

It is an arithmetic number, because the mean of its divisors is an integer number (58128049).

Almost surely, 2^1056040205 is an apocalyptic number.

It is an amenable number.

1056040205 is a deficient number, since it is larger than the sum of its proper divisors (339032971).

1056040205 is a wasteful number, since it uses less digits than its factorization.

1056040205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1056040205 is about 32496.7722243302. The cubic root of 1056040205 is about 1018.3415973488.

Adding to 1056040205 its reverse (5020406501), we get a palindrome (6076446706).

The spelling of 1056040205 in words is "one billion, fifty-six million, forty thousand, two hundred five".