1065040042 has 16 divisors (see below), whose sum is σ = 1789896672. Its totient is φ = 471024720.

The previous prime is 1065040007. The next prime is 1065040043. The reversal of 1065040042 is 2400405601.

It is a super-2 number, since 2×1065040042² = 2268620582126723528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1065039995 and 1065040022.

It is not an unprimeable number, because it can be changed into a prime (1065040043) 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 7 ways as a sum of consecutive naturals, for example, 653388 + ... + 655015.

It is an arithmetic number, because the mean of its divisors is an integer number (111868542).

Almost surely, 2^1065040042 is an apocalyptic number.

1065040042 is a deficient number, since it is larger than the sum of its proper divisors (724856630).

1065040042 is a wasteful number, since it uses less digits than its factorization.

1065040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308453.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1065040042 is about 32634.9512333020. The cubic root of 1065040042 is about 1021.2262715321.

Adding to 1065040042 its reverse (2400405601), we get a palindrome (3465445643).

The spelling of 1065040042 in words is "one billion, sixty-five million, forty thousand, forty-two".