1050665109 has 16 divisors (see below), whose sum is σ = 1510838784. Its totient is φ = 645624000.

The previous prime is 1050665101. The next prime is 1050665111. The reversal of 1050665109 is 9015660501.

It is not a de Polignac number, because 1050665109 - 2³ = 1050665101 is a prime.

It is a super-2 number, since 2×1050665109² = 2207794342539963762, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050665109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050665101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8124 + ... + 46554.

It is an arithmetic number, because the mean of its divisors is an integer number (94427424).

Almost surely, 2^1050665109 is an apocalyptic number.

It is an amenable number.

1050665109 is a deficient number, since it is larger than the sum of its proper divisors (460173675).

1050665109 is a wasteful number, since it uses less digits than its factorization.

1050665109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39148.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 1050665109 is about 32413.9647220145. The cubic root of 1050665109 is about 1016.6109192520.

The spelling of 1050665109 in words is "one billion, fifty million, six hundred sixty-five thousand, one hundred nine".