1048561 has 4 divisors (see below), whose sum is σ = 1050624. Its totient is φ = 1046500.

The previous prime is 1048559. The next prime is 1048571. The reversal of 1048561 is 1658401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1658401 = 17 ⋅97553.

It is a cyclic number.

It is not a de Polignac number, because 1048561 - 2¹ = 1048559 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1048571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

2^1048561 is an apocalyptic number.

It is an amenable number.

1048561 is a deficient number, since it is larger than the sum of its proper divisors (2063).

1048561 is an equidigital number, since it uses as much as digits as its factorization.

1048561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

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

The square root of 1048561 is about 1023.9926757551. The cubic root of 1048561 is about 101.5931828873.

The spelling of 1048561 in words is "one million, forty-eight thousand, five hundred sixty-one".