1081465 has 24 divisors (see below), whose sum is σ = 1649088. Its totient is φ = 661440.

The previous prime is 1081441. The next prime is 1081477. The reversal of 1081465 is 5641801.

It is not a de Polignac number, because 1081465 - 2⁷ = 1081337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20379 + ... + 20431.

It is an arithmetic number, because the mean of its divisors is an integer number (68712).

2^1081465 is an apocalyptic number.

It is an amenable number.

1081465 is a deficient number, since it is larger than the sum of its proper divisors (567623).

1081465 is an equidigital number, since it uses as much as digits as its factorization.

1081465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1081465 is about 1039.9350941285. The cubic root of 1081465 is about 102.6449268543.

The spelling of 1081465 in words is "one million, eighty-one thousand, four hundred sixty-five".