1054561 has 12 divisors (see below), whose sum is σ = 1160460. Its totient is φ = 957440.

The previous prime is 1054549. The next prime is 1054577. The reversal of 1054561 is 1654501.

1054561 = T₂₀₆ + T₂₀₇ + ... + T₂₄₆.

It can be written as a sum of positive squares in 6 ways, for example, as 24336 + 1030225 = 156^2 + 1015^2 .

It is not a de Polignac number, because 1054561 - 2⁹ = 1054049 is a prime.

It is a super-2 number, since 2×1054561² = 2224197805442, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11805 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (96705).

2^1054561 is an apocalyptic number.

It is an amenable number.

1054561 is a deficient number, since it is larger than the sum of its proper divisors (105899).

1054561 is an equidigital number, since it uses as much as digits as its factorization.

1054561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1054561 is about 1026.9182051166. The cubic root of 1054561 is about 101.7865908438.

The spelling of 1054561 in words is "one million, fifty-four thousand, five hundred sixty-one".