1226206 has 8 divisors (see below), whose sum is σ = 1844064. Its totient is φ = 611520.

The previous prime is 1226191. The next prime is 1226209. The reversal of 1226206 is 6026221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 891 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (230508).

2^1226206 is an apocalyptic number.

1226206 is a deficient number, since it is larger than the sum of its proper divisors (617858).

1226206 is an equidigital number, since it uses as much as digits as its factorization.

1226206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1226206 is about 1107.3418622991. The cubic root of 1226206 is about 107.0338495985.

It can be divided in two parts, 122 and 6206, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 1226206 in words is "one million, two hundred twenty-six thousand, two hundred six".