1208197 has 4 divisors (see below), whose sum is σ = 1210720. Its totient is φ = 1205676.

The previous prime is 1208189. The next prime is 1208209. The reversal of 1208197 is 7918021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7918021 = 197 ⋅40193.

It is a cyclic number.

It is not a de Polignac number, because 1208197 - 2³ = 1208189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208117) by changing a digit.

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, 297 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (302680).

2^1208197 is an apocalyptic number.

It is an amenable number.

1208197 is a deficient number, since it is larger than the sum of its proper divisors (2523).

1208197 is an equidigital number, since it uses as much as digits as its factorization.

1208197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1208197 is about 1099.1801490202. The cubic root of 1208197 is about 106.5072695193.

The spelling of 1208197 in words is "one million, two hundred eight thousand, one hundred ninety-seven".