1109942 has 8 divisors (see below), whose sum is σ = 1752600. Its totient is φ = 525744.

The previous prime is 1109921. The next prime is 1109951. The reversal of 1109942 is 2499011.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14567 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (219075).

2^1109942 is an apocalyptic number.

1109942 is a deficient number, since it is larger than the sum of its proper divisors (642658).

1109942 is a wasteful number, since it uses less digits than its factorization.

1109942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29230.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1109942 is about 1053.5378493438. The cubic root of 1109942 is about 103.5380771161.

The spelling of 1109942 in words is "one million, one hundred nine thousand, nine hundred forty-two".