1080705642 has 16 divisors (see below), whose sum is σ = 2175919200. Its totient is φ = 357817232.

The previous prime is 1080705631. The next prime is 1080705649. The reversal of 1080705642 is 2465070801.

It is not an unprimeable number, because it can be changed into a prime (1080705649) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 603528 + ... + 605315.

It is an arithmetic number, because the mean of its divisors is an integer number (135994950).

Almost surely, 2^1080705642 is an apocalyptic number.

1080705642 is an abundant number, since it is smaller than the sum of its proper divisors (1095213558).

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

1080705642 is a wasteful number, since it uses less digits than its factorization.

1080705642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208997.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1080705642 is about 32874.0876983681. The cubic root of 1080705642 is about 1026.2089695151.

The spelling of 1080705642 in words is "one billion, eighty million, seven hundred five thousand, six hundred forty-two".