109742 has 8 divisors (see below), whose sum is σ = 169176. Its totient is φ = 53352.

The previous prime is 109741. The next prime is 109751. The reversal of 109742 is 247901.

109742 is nontrivially palindromic in base 6.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (21147).

2¹⁰⁹⁷⁴² is an apocalyptic number.

109742 is a deficient number, since it is larger than the sum of its proper divisors (59434).

109742 is a wasteful number, since it uses less digits than its factorization.

109742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 109742 is about 331.2733010673. The cubic root of 109742 is about 47.8767090537.

The spelling of 109742 in words is "one hundred nine thousand, seven hundred forty-two".