1056423042 has 48 divisors (see below), whose sum is σ = 2348341632. Its totient is φ = 343068000.

The previous prime is 1056423041. The next prime is 1056423073. The reversal of 1056423042 is 2403246501.

1056423042 is a `hidden beast` number, since 10 + 5 + 642 + 3 + 0 + 4 + 2 = 666.

It is a super-2 number, since 2×1056423042² = 2232059287337067528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056422997 and 1056423015.

It is not an unprimeable number, because it can be changed into a prime (1056423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189292 + ... + 194792.

It is an arithmetic number, because the mean of its divisors is an integer number (48923784).

Almost surely, 2^1056423042 is an apocalyptic number.

1056423042 is an abundant number, since it is smaller than the sum of its proper divisors (1291918590).

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

1056423042 is a wasteful number, since it uses less digits than its factorization.

1056423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783 (or 5780 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1056423042 is about 32502.6620755901. The cubic root of 1056423042 is about 1018.4646392996.

Adding to 1056423042 its reverse (2403246501), we get a palindrome (3459669543).

The spelling of 1056423042 in words is "one billion, fifty-six million, four hundred twenty-three thousand, forty-two".