1122635 has 4 divisors (see below), whose sum is σ = 1347168. Its totient is φ = 898104.

The previous prime is 1122623. The next prime is 1122643. The reversal of 1122635 is 5362211.

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 1122635 - 2⁶ = 1122571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112259 + ... + 112268.

It is an arithmetic number, because the mean of its divisors is an integer number (336792).

2^1122635 is an apocalyptic number.

1122635 is a deficient number, since it is larger than the sum of its proper divisors (224533).

1122635 is an equidigital number, since it uses as much as digits as its factorization.

1122635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224532.

The product of its digits is 360, while the sum is 20.

The square root of 1122635 is about 1059.5447135445. The cubic root of 1122635 is about 103.9312600490.

Adding to 1122635 its reverse (5362211), we get a palindrome (6484846).

The spelling of 1122635 in words is "one million, one hundred twenty-two thousand, six hundred thirty-five".