1056943930 has 32 divisors (see below), whose sum is σ = 2177821440. Its totient is φ = 361791360.

The previous prime is 1056943919. The next prime is 1056943931. The reversal of 1056943930 is 393496501.

It is a super-2 number, since 2×1056943930² = 2234260942327689800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056943931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32206 + ... + 56134.

It is an arithmetic number, because the mean of its divisors is an integer number (68056920).

Almost surely, 2^1056943930 is an apocalyptic number.

1056943930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056943930 is an abundant number, since it is smaller than the sum of its proper divisors (1120877510).

1056943930 is a wasteful number, since it uses less digits than its factorization.

1056943930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24574.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1056943930 is about 32510.6740932882. The cubic root of 1056943930 is about 1018.6320024424.

The spelling of 1056943930 in words is "one billion, fifty-six million, nine hundred forty-three thousand, nine hundred thirty".