109029 has 4 divisors (see below), whose sum is σ = 145376. Its totient is φ = 72684.

The previous prime is 109013. The next prime is 109037. The reversal of 109029 is 920901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 109029 - 2⁴ = 109013 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 108996 and 109014.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109029.

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 3 ways as a sum of consecutive naturals, for example, 18169 + ... + 18174.

It is an arithmetic number, because the mean of its divisors is an integer number (36344).

2¹⁰⁹⁰²⁹ is an apocalyptic number.

It is an amenable number.

109029 is a deficient number, since it is larger than the sum of its proper divisors (36347).

109029 is an equidigital number, since it uses as much as digits as its factorization.

109029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36346.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 109029 is about 330.1953966972. The cubic root of 109029 is about 47.7727977903.

The spelling of 109029 in words is "one hundred nine thousand, twenty-nine".