1080775042 has 4 divisors (see below), whose sum is σ = 1621162566. Its totient is φ = 540387520.

The previous prime is 1080775027. The next prime is 1080775079. The reversal of 1080775042 is 2405770801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 567344761 + 513430281 = 23819^2 + 22659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1080774989 and 1080775007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270193759 + ... + 270193762.

Almost surely, 2^1080775042 is an apocalyptic number.

1080775042 is a deficient number, since it is larger than the sum of its proper divisors (540387524).

1080775042 is an equidigital number, since it uses as much as digits as its factorization.

1080775042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540387523.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1080775042 is about 32875.1432240226. The cubic root of 1080775042 is about 1026.2309358352.

It can be divided in two parts, 10807 and 75042, that added together give a square (85849 = 293²).

The spelling of 1080775042 in words is "one billion, eighty million, seven hundred seventy-five thousand, forty-two".