1050909 has 16 divisors (see below), whose sum is σ = 1497600. Its totient is φ = 653616.

The previous prime is 1050901. The next prime is 1050913. The reversal of 1050909 is 9090501.

It is a happy number.

It is not a de Polignac number, because 1050909 - 2³ = 1050901 is a prime.

It is a super-2 number, since 2×1050909² = 2208819452562, which contains 22 as substring.

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

1050909 is a modest number, since divided by 909 gives 105 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5782 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2^1050909 is an apocalyptic number.

1050909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1050909 is a deficient number, since it is larger than the sum of its proper divisors (446691).

1050909 is a wasteful number, since it uses less digits than its factorization.

1050909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 1050909 is about 1025.1385272245. The cubic root of 1050909 is about 101.6689575165.

The spelling of 1050909 in words is "one million, fifty thousand, nine hundred nine".