3120021001 has 8 divisors (see below), whose sum is σ = 3263802624. Its totient is φ = 2976916800.

The previous prime is 3120020987. The next prime is 3120021011. The reversal of 3120021001 is 1001200213.

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 3120021001 - 2⁷ = 3120020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120021011) 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, 159921 + ... + 178366.

It is an arithmetic number, because the mean of its divisors is an integer number (407975328).

Almost surely, 2^3120021001 is an apocalyptic number.

It is an amenable number.

3120021001 is a deficient number, since it is larger than the sum of its proper divisors (143781623).

3120021001 is a wasteful number, since it uses less digits than its factorization.

3120021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338711.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3120021001 is about 55857.1481638653. The cubic root of 3120021001 is about 1461.2319933591.

Adding to 3120021001 its reverse (1001200213), we get a palindrome (4121221214).

The spelling of 3120021001 in words is "three billion, one hundred twenty million, twenty-one thousand, one".