1211297 has 4 divisors (see below), whose sum is σ = 1214256. Its totient is φ = 1208340.

The previous prime is 1211281. The next prime is 1211303. The reversal of 1211297 is 7921121.

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.

It is a cyclic number.

It is not a de Polignac number, because 1211297 - 2⁴ = 1211281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211207) 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, 743 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (303564).

2^1211297 is an apocalyptic number.

It is an amenable number.

1211297 is a deficient number, since it is larger than the sum of its proper divisors (2959).

1211297 is an equidigital number, since it uses as much as digits as its factorization.

1211297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958.

The product of its digits is 252, while the sum is 23.

The square root of 1211297 is about 1100.5893875556. The cubic root of 1211297 is about 106.5982840782.

The spelling of 1211297 in words is "one million, two hundred eleven thousand, two hundred ninety-seven".