3121120001 has 8 divisors (see below), whose sum is σ = 3174927360. Its totient is φ = 3067342992.

The previous prime is 3121119997. The next prime is 3121120031. The reversal of 3121120001 is 1000211213.

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 3121120001 - 2² = 3121119997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121120031) 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, 319871 + ... + 329483.

It is an arithmetic number, because the mean of its divisors is an integer number (396865920).

Almost surely, 2^3121120001 is an apocalyptic number.

It is an amenable number.

3121120001 is a deficient number, since it is larger than the sum of its proper divisors (53807359).

3121120001 is an equidigital number, since it uses as much as digits as its factorization.

3121120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3121120001 is about 55866.9848926895. The cubic root of 3121120001 is about 1461.4035419312.

Adding to 3121120001 its reverse (1000211213), we get a palindrome (4121331214).

The spelling of 3121120001 in words is "three billion, one hundred twenty-one million, one hundred twenty thousand, one".