109047 has 8 divisors (see below), whose sum is σ = 146944. Its totient is φ = 71928.

The previous prime is 109037. The next prime is 109049. The reversal of 109047 is 740901.

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

It is not a de Polignac number, because 109047 - 2⁸ = 108791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (18368).

2¹⁰⁹⁰⁴⁷ is an apocalyptic number.

109047 is a deficient number, since it is larger than the sum of its proper divisors (37897).

109047 is a wasteful number, since it uses less digits than its factorization.

109047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 109047 is about 330.2226521606. Note that the first 3 decimals coincide. The cubic root of 109047 is about 47.7754266415.

Adding to 109047 its reverse (740901), we get a palindrome (849948).

The spelling of 109047 in words is "one hundred nine thousand, forty-seven".