1106659 has 4 divisors (see below), whose sum is σ = 1111320. Its totient is φ = 1102000.

The previous prime is 1106653. The next prime is 1106671. The reversal of 1106659 is 9566011.

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 1106659 - 2⁵ = 1106627 is a prime.

It is a Duffinian number.

1106659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1106653) 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, 1954 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

2^1106659 is an apocalyptic number.

1106659 is a deficient number, since it is larger than the sum of its proper divisors (4661).

1106659 is an equidigital number, since it uses as much as digits as its factorization.

1106659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1106659 is about 1051.9786119499. The cubic root of 1106659 is about 103.4358942410.

The spelling of 1106659 in words is "one million, one hundred six thousand, six hundred fifty-nine".