109193042 has 8 divisors (see below), whose sum is σ = 187188096. Its totient is φ = 46797012.

The previous prime is 109193041. The next prime is 109193053. The reversal of 109193042 is 240391901.

It is a happy number.

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 = 109192996 and 109193014.

It is not an unprimeable number, because it can be changed into a prime (109193041) 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 3 ways as a sum of consecutive naturals, for example, 3899738 + ... + 3899765.

It is an arithmetic number, because the mean of its divisors is an integer number (23398512).

Almost surely, 2^109193042 is an apocalyptic number.

109193042 is a deficient number, since it is larger than the sum of its proper divisors (77995054).

109193042 is an equidigital number, since it uses as much as digits as its factorization.

109193042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799512.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109193042 is about 10449.5474543159. The cubic root of 109193042 is about 477.9674499173.

The spelling of 109193042 in words is "one hundred nine million, one hundred ninety-three thousand, forty-two".