1094561 has 8 divisors (see below), whose sum is σ = 1186920. Its totient is φ = 1003392.

The previous prime is 1094557. The next prime is 1094567. The reversal of 1094561 is 1654901.

It can be written as a sum of positive squares in 4 ways, for example, as 180625 + 913936 = 425^2 + 956^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1094561 - 2² = 1094557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1094561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341 + ... + 3653.

It is an arithmetic number, because the mean of its divisors is an integer number (148365).

2^1094561 is an apocalyptic number.

It is an amenable number.

1094561 is a deficient number, since it is larger than the sum of its proper divisors (92359).

1094561 is a wasteful number, since it uses less digits than its factorization.

1094561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1094561 is about 1046.2126934806. The cubic root of 1094561 is about 103.0575918218.

The spelling of 1094561 in words is "one million, ninety-four thousand, five hundred sixty-one".