1002755109 has 16 divisors (see below), whose sum is σ = 1381812224. Its totient is φ = 646153200.

The previous prime is 1002755099. The next prime is 1002755111. The reversal of 1002755109 is 9015572001.

1002755109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002755109 - 2⁷ = 1002754981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002755119) 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, 76014 + ... + 88224.

It is an arithmetic number, because the mean of its divisors is an integer number (86363264).

Almost surely, 2^1002755109 is an apocalyptic number.

It is an amenable number.

1002755109 is a deficient number, since it is larger than the sum of its proper divisors (379057115).

1002755109 is a wasteful number, since it uses less digits than its factorization.

1002755109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 1002755109 is about 31666.3087365736. The cubic root of 1002755109 is about 1000.9175275524.

The spelling of 1002755109 in words is "one billion, two million, seven hundred fifty-five thousand, one hundred nine".