1226197 has 8 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 1032864.

The previous prime is 1226191. The next prime is 1226209. The reversal of 1226197 is 7916221.

It is a happy number.

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

It is not a de Polignac number, because 1226197 - 2³ = 1226189 is a prime.

It is an Ulam number.

It is a Duffinian 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

2^1226197 is an apocalyptic number.

It is an amenable number.

1226197 is a deficient number, since it is larger than the sum of its proper divisors (199403).

1226197 is an equidigital number, since it uses as much as digits as its factorization.

1226197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its digits is 1512, while the sum is 28.

The square root of 1226197 is about 1107.3377985059. The cubic root of 1226197 is about 107.0335877320.

The spelling of 1226197 in words is "one million, two hundred twenty-six thousand, one hundred ninety-seven".