3001191121 has 8 divisors (see below), whose sum is σ = 3105786600. Its totient is φ = 2896669440.

The previous prime is 3001191079. The next prime is 3001191139. The reversal of 3001191121 is 1211911003.

It can be written as a sum of positive squares in 4 ways, for example, as 1305810496 + 1695380625 = 36136^2 + 41175^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3001191121 - 2²³ = 2992802513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3001191191) 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, 71865 + ... + 105673.

It is an arithmetic number, because the mean of its divisors is an integer number (388223325).

Almost surely, 2^3001191121 is an apocalyptic number.

It is an amenable number.

3001191121 is a deficient number, since it is larger than the sum of its proper divisors (104595479).

3001191121 is a wasteful number, since it uses less digits than its factorization.

3001191121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36899.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 3001191121 is about 54783.1280687768. The cubic root of 3001191121 is about 1442.4404221344.

The spelling of 3001191121 in words is "three billion, one million, one hundred ninety-one thousand, one hundred twenty-one".