1000880909 has 12 divisors (see below), whose sum is σ = 1169432064. Its totient is φ = 854109144.

The previous prime is 1000880887. The next prime is 1000880921. The reversal of 1000880909 is 9090880001.

It is a happy number.

It is not a de Polignac number, because 1000880909 - 2⁸ = 1000880653 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 (1000880989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33869 + ... + 56114.

It is an arithmetic number, because the mean of its divisors is an integer number (97452672).

Almost surely, 2^1000880909 is an apocalyptic number.

It is an amenable number.

1000880909 is a deficient number, since it is larger than the sum of its proper divisors (168551155).

1000880909 is an equidigital number, since it uses as much as digits as its factorization.

1000880909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90224 (or 90217 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1000880909 is about 31636.7019298788. The cubic root of 1000880909 is about 1000.2935501532.

The spelling of 1000880909 in words is "one billion, eight hundred eighty thousand, nine hundred nine".