1320127 has 2 divisors, whose sum is σ = 1320128. Its totient is φ = 1320126.

The previous prime is 1320119. The next prime is 1320149. The reversal of 1320127 is 7210231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320127 - 2³ = 1320119 is a prime.

It is a super-2 number, since 2×1320127² = 3485470592258, which contains 22 as substring.

1320127 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320107) 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 as a sum of consecutive naturals, namely, 660063 + 660064.

It is an arithmetic number, because the mean of its divisors is an integer number (660064).

2^1320127 is an apocalyptic number.

1320127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320127 is an equidigital number, since it uses as much as digits as its factorization.

1320127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1320127 is about 1148.9677976340. The cubic root of 1320127 is about 109.6996489683.

Adding to 1320127 its reverse (7210231), we get a palindrome (8530358).

The spelling of 1320127 in words is "one million, three hundred twenty thousand, one hundred twenty-seven".