1050309 has 24 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 629280.

The previous prime is 1050307. The next prime is 1050317. The reversal of 1050309 is 9030501.

It is not a de Polignac number, because 1050309 - 2¹ = 1050307 is a prime.

It is a super-2 number, since 2×1050309² = 2206297990962, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1050291 and 1050300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050307) 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 23 ways as a sum of consecutive naturals, for example, 5404 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (69888).

2^1050309 is an apocalyptic number.

It is an amenable number.

1050309 is a deficient number, since it is larger than the sum of its proper divisors (627003).

1050309 is a wasteful number, since it uses less digits than its factorization.

1050309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1050309 is about 1024.8458420660. The cubic root of 1050309 is about 101.6496050679.

The spelling of 1050309 in words is "one million, fifty thousand, three hundred nine".