1001004309 has 6 divisors (see below), whose sum is σ = 1445895126. Its totient is φ = 667336200.

The previous prime is 1001004293. The next prime is 1001004331. The reversal of 1001004309 is 9034001001.

It can be written as a sum of positive squares in only one way, i.e., 963916209 + 37088100 = 31047^2 + 6090^2 .

It is not a de Polignac number, because 1001004309 - 2⁴ = 1001004293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001004291 and 1001004300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001004359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55611342 + ... + 55611359.

It is an arithmetic number, because the mean of its divisors is an integer number (240982521).

Almost surely, 2^1001004309 is an apocalyptic number.

It is an amenable number.

1001004309 is a deficient number, since it is larger than the sum of its proper divisors (444890817).

1001004309 is a wasteful number, since it uses less digits than its factorization.

1001004309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111222707 (or 111222704 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1001004309 is about 31638.6521362715. The cubic root of 1001004309 is about 1000.3346576584.

The spelling of 1001004309 in words is "one billion, one million, four thousand, three hundred nine".