1056542112 has 72 divisors (see below), whose sum is σ = 3181294116. Its totient is φ = 331462656.

The previous prime is 1056542041. The next prime is 1056542119. The reversal of 1056542112 is 2112456501.

1056542112 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 542 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1005904656 + 50637456 = 31716^2 + 7116^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1056542112² = 2232562468858841088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056542119) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 103003 + ... + 112794.

Almost surely, 2^1056542112 is an apocalyptic number.

1056542112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1056542112 is an abundant number, since it is smaller than the sum of its proper divisors (2124752004).

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

1056542112 is a wasteful number, since it uses less digits than its factorization.

1056542112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215830 (or 215819 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1056542112 is about 32504.4937200997. The cubic root of 1056542112 is about 1018.5029017582.

Adding to 1056542112 its reverse (2112456501), we get a palindrome (3168998613).

The spelling of 1056542112 in words is "one billion, fifty-six million, five hundred forty-two thousand, one hundred twelve".