1097197 has 8 divisors (see below), whose sum is σ = 1170936. Its totient is φ = 1024512.

The previous prime is 1097189. The next prime is 1097203. The reversal of 1097197 is 7917901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44521 + 1052676 = 211^2 + 1026^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1097197 - 2³ = 1097189 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 (1097147) 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 7 ways as a sum of consecutive naturals, for example, 3823 + ... + 4099.

It is an arithmetic number, because the mean of its divisors is an integer number (146367).

2^1097197 is an apocalyptic number.

1097197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1097197 is a deficient number, since it is larger than the sum of its proper divisors (73739).

1097197 is a wasteful number, since it uses less digits than its factorization.

1097197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 1097197 is about 1047.4717179953. The cubic root of 1097197 is about 103.1402557167.

The spelling of 1097197 in words is "one million, ninety-seven thousand, one hundred ninety-seven".