1010001109 has 8 divisors (see below), whose sum is σ = 1088031672. Its totient is φ = 932018880.

The previous prime is 1010001101. The next prime is 1010001133. The reversal of 1010001109 is 9011000101.

It can be written as a sum of positive squares in 4 ways, for example, as 448168900 + 561832209 = 21170^2 + 23703^2 .

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

It is not a de Polignac number, because 1010001109 - 2³ = 1010001101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010001101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39507 + ... + 59839.

It is an arithmetic number, because the mean of its divisors is an integer number (136003959).

Almost surely, 2^1010001109 is an apocalyptic number.

It is an amenable number.

1010001109 is a deficient number, since it is larger than the sum of its proper divisors (78030563).

1010001109 is a wasteful number, since it uses less digits than its factorization.

1010001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24167.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1010001109 is about 31780.5146119442. The cubic root of 1010001109 is about 1003.3226507645.

The spelling of 1010001109 in words is "one billion, ten million, one thousand, one hundred nine".