1000011049 has 4 divisors (see below), whose sum is σ = 1018879236. Its totient is φ = 981142864.

The previous prime is 1000011011. The next prime is 1000011071. The reversal of 1000011049 is 9401100001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 892515625 + 107495424 = 29875^2 + 10368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000011049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000011149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9434014 + ... + 9434119.

It is an arithmetic number, because the mean of its divisors is an integer number (254719809).

Almost surely, 2^1000011049 is an apocalyptic number.

It is an amenable number.

1000011049 is a deficient number, since it is larger than the sum of its proper divisors (18868187).

1000011049 is an equidigital number, since it uses as much as digits as its factorization.

1000011049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18868186.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1000011049 is about 31622.9513012306. The cubic root of 1000011049 is about 1000.0036829864.

The spelling of 1000011049 in words is "one billion, eleven thousand, forty-nine".