106039 has 4 divisors (see below), whose sum is σ = 111640. Its totient is φ = 100440.

The previous prime is 106033. The next prime is 106087. The reversal of 106039 is 930601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106039 - 2³ = 106031 is a prime.

It is a super-2 number, since 2×106039² = 22488539042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5581 = 106039 / (1 + 0 + 6 + 0 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (27910).

2¹⁰⁶⁰³⁹ is an apocalyptic number.

106039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

106039 is a deficient number, since it is larger than the sum of its proper divisors (5601).

106039 is an equidigital number, since it uses as much as digits as its factorization.

106039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 106039 is about 325.6363001878. The cubic root of 106039 is about 47.3320383608.

The spelling of 106039 in words is "one hundred six thousand, thirty-nine".