1056331105 has 8 divisors (see below), whose sum is σ = 1267771752. Its totient is φ = 844948608.

The previous prime is 1056331069. The next prime is 1056331141. The reversal of 1056331105 is 5011336501.

It is an interprime number because it is at equal distance from previous prime (1056331069) and next prime (1056331141).

It can be written as a sum of positive squares in 4 ways, for example, as 50680161 + 1005650944 = 7119^2 + 31712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056331105 - 2¹⁵ = 1056298337 is a prime.

It is a super-2 number, since 2×1056331105² = 2231670806781042050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056331105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65397 + ... + 79933.

It is an arithmetic number, because the mean of its divisors is an integer number (158471469).

Almost surely, 2^1056331105 is an apocalyptic number.

It is an amenable number.

1056331105 is a deficient number, since it is larger than the sum of its proper divisors (211440647).

1056331105 is a wasteful number, since it uses less digits than its factorization.

1056331105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29075.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1056331105 is about 32501.2477452789. The cubic root of 1056331105 is about 1018.4350939072.

Adding to 1056331105 its reverse (5011336501), we get a palindrome (6067667606).

The spelling of 1056331105 in words is "one billion, fifty-six million, three hundred thirty-one thousand, one hundred five".