3105121 has 8 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 3036000.

The previous prime is 3105119. The next prime is 3105131. The reversal of 3105121 is 1215013.

3105121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3105121 - 2¹ = 3105119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3105131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12246 + ... + 12496.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^3105121 is an apocalyptic number.

It is an amenable number.

3105121 is a deficient number, since it is larger than the sum of its proper divisors (70079).

3105121 is a wasteful number, since it uses less digits than its factorization.

3105121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 3105121 is about 1762.1353523495. The cubic root of 3105121 is about 145.8902189686.

The spelling of 3105121 in words is "three million, one hundred five thousand, one hundred twenty-one".