109006 has 4 divisors (see below), whose sum is σ = 163512. Its totient is φ = 54502.

The previous prime is 109001. The next prime is 109013. The reversal of 109006 is 600901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600901 = 7 ⋅85843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109001) by changing a digit.

109006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27250 + ... + 27253.

It is an arithmetic number, because the mean of its divisors is an integer number (40878).

2¹⁰⁹⁰⁰⁶ is an apocalyptic number.

109006 is a deficient number, since it is larger than the sum of its proper divisors (54506).

109006 is an equidigital number, since it uses as much as digits as its factorization.

109006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54505.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 109006 is about 330.1605669973. The cubic root of 109006 is about 47.7694382816.

Adding to 109006 its reverse (600901), we get a palindrome (709907).

The spelling of 109006 in words is "one hundred nine thousand, six".