1322507 has 2 divisors, whose sum is σ = 1322508. Its totient is φ = 1322506.

The previous prime is 1322501. The next prime is 1322521. The reversal of 1322507 is 7052231.

It is a weak prime.

It is an emirp because it is prime and its reverse (7052231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322507 - 2⁶ = 1322443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1322501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661253 + 661254.

It is an arithmetic number, because the mean of its divisors is an integer number (661254).

2^1322507 is an apocalyptic number.

1322507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322507 is an equidigital number, since it uses as much as digits as its factorization.

1322507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1322507 is about 1150.0030434742. The cubic root of 1322507 is about 109.7655336450.

Adding to 1322507 its reverse (7052231), we get a palindrome (8374738).

The spelling of 1322507 in words is "one million, three hundred twenty-two thousand, five hundred seven".