3120101 has 4 divisors (see below), whose sum is σ = 3127500. Its totient is φ = 3112704.

The previous prime is 3120083. The next prime is 3120107. The reversal of 3120101 is 1010213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010213 = 739 ⋅1367.

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 763876 = 1535^2 + 874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120107) 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, 3026 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (781875).

Almost surely, 2^3120101 is an apocalyptic number.

It is an amenable number.

3120101 is a deficient number, since it is larger than the sum of its proper divisors (7399).

3120101 is an equidigital number, since it uses as much as digits as its factorization.

3120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 3120101 is about 1766.3807630293. The cubic root of 3120101 is about 146.1244482174.

Adding to 3120101 its reverse (1010213), we get a palindrome (4130314).

The spelling of 3120101 in words is "three million, one hundred twenty thousand, one hundred one".