1081264 has 10 divisors (see below), whose sum is σ = 2094980. Its totient is φ = 540624.

The previous prime is 1081247. The next prime is 1081277. The reversal of 1081264 is 4621801.

It is an unprimeable number.

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, 33774 + ... + 33805.

It is an arithmetic number, because the mean of its divisors is an integer number (209498).

2^1081264 is an apocalyptic number.

It is an amenable number.

1081264 is a deficient number, since it is larger than the sum of its proper divisors (1013716).

1081264 is an equidigital number, since it uses as much as digits as its factorization.

1081264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67587 (or 67581 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1081264 is about 1039.8384489910. The cubic root of 1081264 is about 102.6385672993.

The spelling of 1081264 in words is "one million, eighty-one thousand, two hundred sixty-four".