1106239 has 4 divisors (see below), whose sum is σ = 1129824. Its totient is φ = 1082656.

The previous prime is 1106233. The next prime is 1106243. The reversal of 1106239 is 9326011.

1106239 = T₁₀₄ + T₁₀₅ + ... + T₁₉₇.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106233) 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, 11722 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (282456).

2^1106239 is an apocalyptic number.

1106239 is a deficient number, since it is larger than the sum of its proper divisors (23585).

1106239 is an equidigital number, since it uses as much as digits as its factorization.

1106239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1106239 is about 1051.7789691756. The cubic root of 1106239 is about 103.4228072309.

The spelling of 1106239 in words is "one million, one hundred six thousand, two hundred thirty-nine".