1226199 has 16 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 721248.

The previous prime is 1226191. The next prime is 1226209. The reversal of 1226199 is 9916221.

It is a happy number.

It is not a de Polignac number, because 1226199 - 2³ = 1226191 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226191) 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 15 ways as a sum of consecutive naturals, for example, 214 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^1226199 is an apocalyptic number.

1226199 is a deficient number, since it is larger than the sum of its proper divisors (612393).

1226199 is a wasteful number, since it uses less digits than its factorization.

1226199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its digits is 1944, while the sum is 30.

The square root of 1226199 is about 1107.3387015724. The cubic root of 1226199 is about 107.0336459247.

The spelling of 1226199 in words is "one million, two hundred twenty-six thousand, one hundred ninety-nine".