1223135 has 8 divisors (see below), whose sum is σ = 1502160. Its totient is φ = 955584.

The previous prime is 1223119. The next prime is 1223149. The reversal of 1223135 is 5313221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223135 - 2⁴ = 1223119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (187770).

2^1223135 is an apocalyptic number.

1223135 is a deficient number, since it is larger than the sum of its proper divisors (279025).

1223135 is an equidigital number, since it uses as much as digits as its factorization.

1223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

The product of its digits is 180, while the sum is 17.

The square root of 1223135 is about 1105.9543390213. The cubic root of 1223135 is about 106.9444204319.

Adding to 1223135 its reverse (5313221), we get a palindrome (6536356).

The spelling of 1223135 in words is "one million, two hundred twenty-three thousand, one hundred thirty-five".