1197321 has 4 divisors (see below), whose sum is σ = 1596432. Its totient is φ = 798212.

The previous prime is 1197307. The next prime is 1197337. The reversal of 1197321 is 1237911.

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: 1237911 = 3 ⋅412637.

It is a cyclic number.

It is not a de Polignac number, because 1197321 - 2⁵ = 1197289 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1197291 and 1197300.

It is not an unprimeable number, because it can be changed into a prime (1197121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199551 + ... + 199556.

It is an arithmetic number, because the mean of its divisors is an integer number (399108).

2^1197321 is an apocalyptic number.

It is an amenable number.

1197321 is a deficient number, since it is larger than the sum of its proper divisors (399111).

1197321 is an equidigital number, since it uses as much as digits as its factorization.

1197321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399110.

The product of its digits is 378, while the sum is 24.

The square root of 1197321 is about 1094.2216411678. The cubic root of 1197321 is about 106.1867184883.

The spelling of 1197321 in words is "one million, one hundred ninety-seven thousand, three hundred twenty-one".