1048109 has 4 divisors (see below), whose sum is σ = 1052700. Its totient is φ = 1043520.

The previous prime is 1048063. The next prime is 1048123. The reversal of 1048109 is 9018401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334084 + 714025 = 578^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048109 - 2¹⁶ = 982573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (263175).

2^1048109 is an apocalyptic number.

It is an amenable number.

1048109 is a deficient number, since it is larger than the sum of its proper divisors (4591).

1048109 is an equidigital number, since it uses as much as digits as its factorization.

1048109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1048109 is about 1023.7719472617. The cubic root of 1048109 is about 101.5785829678.

The spelling of 1048109 in words is "one million, forty-eight thousand, one hundred nine".