1273264 has 10 divisors (see below), whose sum is σ = 2466980. Its totient is φ = 636624.

The previous prime is 1273241. The next prime is 1273267. The reversal of 1273264 is 4623721.

It is not an unprimeable number, because it can be changed into a prime (1273267) 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, 39774 + ... + 39805.

It is an arithmetic number, because the mean of its divisors is an integer number (246698).

2^1273264 is an apocalyptic number.

It is an amenable number.

1273264 is a deficient number, since it is larger than the sum of its proper divisors (1193716).

1273264 is an equidigital number, since it uses as much as digits as its factorization.

1273264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79587 (or 79581 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 1273264 is about 1128.3900035006. The cubic root of 1273264 is about 108.3859079460.

Adding to 1273264 its reverse (4623721), we get a palindrome (5896985).

The spelling of 1273264 in words is "one million, two hundred seventy-three thousand, two hundred sixty-four".