1099042 has 16 divisors (see below), whose sum is σ = 1949760. Its totient is φ = 454608.

The previous prime is 1099031. The next prime is 1099051. The reversal of 1099042 is 2409901.

It is a junction number, because it is equal to n+sod(n) for n = 1098998 and 1099016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (121860).

2^1099042 is an apocalyptic number.

1099042 is a deficient number, since it is larger than the sum of its proper divisors (850718).

1099042 is a wasteful number, since it uses less digits than its factorization.

1099042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1099042 is about 1048.3520401087. The cubic root of 1099042 is about 103.1980354372.

The spelling of 1099042 in words is "one million, ninety-nine thousand, forty-two".