1264027 has 2 divisors, whose sum is σ = 1264028. Its totient is φ = 1264026.

The previous prime is 1264009. The next prime is 1264033. The reversal of 1264027 is 7204621.

It is a strong prime.

It is an emirp because it is prime and its reverse (7204621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264027 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1263989 and 1264007.

It is not a weakly prime, because it can be changed into another prime (1264037) 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, 632013 + 632014.

It is an arithmetic number, because the mean of its divisors is an integer number (632014).

2^1264027 is an apocalyptic number.

1264027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264027 is an equidigital number, since it uses as much as digits as its factorization.

1264027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1264027 is about 1124.2895534514. The cubic root of 1264027 is about 108.1231733684.

Adding to 1264027 its reverse (7204621), we get a palindrome (8468648).

The spelling of 1264027 in words is "one million, two hundred sixty-four thousand, twenty-seven".