1056105030 has 64 divisors (see below), whose sum is σ = 2694850560. Its totient is φ = 264291456.

The previous prime is 1056105013. The next prime is 1056105067. The reversal of 1056105030 is 305016501.

It is a happy number.

It is a super-2 number, since 2×1056105030² = 2230715668782601800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1056104988 and 1056105006.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22131 + ... + 51009.

It is an arithmetic number, because the mean of its divisors is an integer number (42107040).

Almost surely, 2^1056105030 is an apocalyptic number.

1056105030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056105030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347425280).

1056105030 is an abundant number, since it is smaller than the sum of its proper divisors (1638745530).

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

1056105030 is a wasteful number, since it uses less digits than its factorization.

1056105030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28965.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1056105030 is about 32497.7696157752. The cubic root of 1056105030 is about 1018.3624338798.

The spelling of 1056105030 in words is "one billion, fifty-six million, one hundred five thousand, thirty".