1323137 has 2 divisors, whose sum is σ = 1323138. Its totient is φ = 1323136.

The previous prime is 1323131. The next prime is 1323139. The reversal of 1323137 is 7313231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 341056 = 991^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323137 - 2⁶ = 1323073 is a prime.

Together with 1323139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661568 + 661569.

It is an arithmetic number, because the mean of its divisors is an integer number (661569).

2^1323137 is an apocalyptic number.

It is an amenable number.

1323137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323137 is an equidigital number, since it uses as much as digits as its factorization.

1323137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 20.

The square root of 1323137 is about 1150.2769231798. The cubic root of 1323137 is about 109.7829604736.

Adding to 1323137 its reverse (7313231), we get a palindrome (8636368).

The spelling of 1323137 in words is "one million, three hundred twenty-three thousand, one hundred thirty-seven".