1050001009 has 8 divisors (see below), whose sum is σ = 1128781440. Its totient is φ = 973572336.

The previous prime is 1050000989. The next prime is 1050001061. The reversal of 1050001009 is 9001000501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1050001009 - 2²⁵ = 1016446577 is a prime.

It is a super-2 number, since 2×1050001009² = 2205004237802036162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050000983 and 1050001001.

It is not an unprimeable number, because it can be changed into a prime (1050005009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587014 + ... + 588799.

It is an arithmetic number, because the mean of its divisors is an integer number (141097680).

Almost surely, 2^1050001009 is an apocalyptic number.

1050001009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1050001009 is a deficient number, since it is larger than the sum of its proper divisors (78780431).

1050001009 is a wasteful number, since it uses less digits than its factorization.

1050001009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175879.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1050001009 is about 32403.7190612436. The cubic root of 1050001009 is about 1016.3966823842.

The spelling of 1050001009 in words is "one billion, fifty million, one thousand, nine".