1223126 has 8 divisors (see below), whose sum is σ = 1842024. Its totient is φ = 609120.

The previous prime is 1223119. The next prime is 1223149. The reversal of 1223126 is 6213221.

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

It is a congruent number.

It is an unprimeable number.

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, 515 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (230253).

2^1223126 is an apocalyptic number.

1223126 is a deficient number, since it is larger than the sum of its proper divisors (618898).

1223126 is a wasteful number, since it uses less digits than its factorization.

1223126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 144, while the sum is 17.

The square root of 1223126 is about 1105.9502701297. The cubic root of 1223126 is about 106.9441581272.

Adding to 1223126 its reverse (6213221), we get a palindrome (7436347).

The spelling of 1223126 in words is "one million, two hundred twenty-three thousand, one hundred twenty-six".