3120001 has 4 divisors (see below), whose sum is σ = 3186432. Its totient is φ = 3053572.

The previous prime is 3119999. The next prime is 3120011. The reversal of 3120001 is 1000213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3120001 - 2¹ = 3119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120011) 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, 33145 + ... + 33238.

It is an arithmetic number, because the mean of its divisors is an integer number (796608).

Almost surely, 2^3120001 is an apocalyptic number.

It is an amenable number.

3120001 is a deficient number, since it is larger than the sum of its proper divisors (66431).

3120001 is an equidigital number, since it uses as much as digits as its factorization.

3120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66430.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 3120001 is about 1766.3524563348. The cubic root of 3120001 is about 146.1228870927.

Adding to 3120001 its reverse (1000213), we get a palindrome (4120214).

The spelling of 3120001 in words is "three million, one hundred twenty thousand, one".