1115606 has 4 divisors (see below), whose sum is σ = 1673412. Its totient is φ = 557802.

The previous prime is 1115599. The next prime is 1115627. The reversal of 1115606 is 6065111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6065111 = 13 ⋅466547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278900 + ... + 278903.

It is an arithmetic number, because the mean of its divisors is an integer number (418353).

2^1115606 is an apocalyptic number.

1115606 is a deficient number, since it is larger than the sum of its proper divisors (557806).

1115606 is an equidigital number, since it uses as much as digits as its factorization.

1115606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557805.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1115606 is about 1056.2225144353. Note that the first 3 decimals coincide. The cubic root of 1115606 is about 103.7138956001.

The spelling of 1115606 in words is "one million, one hundred fifteen thousand, six hundred six".