1105542842 has 8 divisors (see below), whose sum is σ = 1665556500. Its totient is φ = 550357344.

The previous prime is 1105542821. The next prime is 1105542871. The reversal of 1105542842 is 2482455011.

It can be written as a sum of positive squares in 2 ways, for example, as 1098193321 + 7349521 = 33139^2 + 2711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1105542799 and 1105542808.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1206467 + ... + 1207382.

Almost surely, 2^1105542842 is an apocalyptic number.

1105542842 is a deficient number, since it is larger than the sum of its proper divisors (560013658).

1105542842 is a wasteful number, since it uses less digits than its factorization.

1105542842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414080.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 1105542842 is about 33249.7043896634. The cubic root of 1105542842 is about 1034.0110796489.

Adding to 1105542842 its reverse (2482455011), we get a palindrome (3587997853).

The spelling of 1105542842 in words is "one billion, one hundred five million, five hundred forty-two thousand, eight hundred forty-two".