1228126 has 4 divisors (see below), whose sum is σ = 1842192. Its totient is φ = 614062.

The previous prime is 1228109. The next prime is 1228133. The reversal of 1228126 is 6218221.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1228097 and 1228106.

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 as a sum of consecutive naturals, namely, 307030 + ... + 307033.

It is an arithmetic number, because the mean of its divisors is an integer number (460548).

2^1228126 is an apocalyptic number.

1228126 is a deficient number, since it is larger than the sum of its proper divisors (614066).

1228126 is an equidigital number, since it uses as much as digits as its factorization.

1228126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614065.

The product of its digits is 384, while the sum is 22.

The square root of 1228126 is about 1108.2084641438. The cubic root of 1228126 is about 107.0896851934.

The spelling of 1228126 in words is "one million, two hundred twenty-eight thousand, one hundred twenty-six".