1048909 has 2 divisors, whose sum is σ = 1048910. Its totient is φ = 1048908.

The previous prime is 1048897. The next prime is 1048919. The reversal of 1048909 is 9098401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896809 + 152100 = 947^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048909 - 2⁵ = 1048877 is a prime.

It is a super-2 number, since 2×1048909² = 2200420180562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524454 + 524455.

It is an arithmetic number, because the mean of its divisors is an integer number (524455).

2^1048909 is an apocalyptic number.

It is an amenable number.

1048909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048909 is an equidigital number, since it uses as much as digits as its factorization.

1048909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1048909 is about 1024.1625847491. The cubic root of 1048909 is about 101.6044206748.

Adding to 1048909 its product of nonzero digits (2592), we get a palindrome (1051501).

The spelling of 1048909 in words is "one million, forty-eight thousand, nine hundred nine".