109665242 has 16 divisors (see below), whose sum is σ = 175839552. Its totient is φ = 51168480.

The previous prime is 109665239. The next prime is 109665253. The reversal of 109665242 is 242566901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27188 + ... + 30959.

It is an arithmetic number, because the mean of its divisors is an integer number (10989972).

Almost surely, 2^109665242 is an apocalyptic number.

109665242 is a deficient number, since it is larger than the sum of its proper divisors (66174310).

109665242 is a wasteful number, since it uses less digits than its factorization.

109665242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58213.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 109665242 is about 10472.1173599230. The cubic root of 109665242 is about 478.6554414707.

The spelling of 109665242 in words is "one hundred nine million, six hundred sixty-five thousand, two hundred forty-two".