3130121 has 4 divisors (see below), whose sum is σ = 3139200. Its totient is φ = 3121044.

The previous prime is 3130111. The next prime is 3130129. The reversal of 3130121 is 1210313.

3130121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-3130121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130129) 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 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (784800).

Almost surely, 2^3130121 is an apocalyptic number.

It is an amenable number.

3130121 is a deficient number, since it is larger than the sum of its proper divisors (9079).

3130121 is an equidigital number, since it uses as much as digits as its factorization.

3130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3130121 is about 1769.2147975868. The cubic root of 3130121 is about 146.2807040996.

Adding to 3130121 its reverse (1210313), we get a palindrome (4340434).

The spelling of 3130121 in words is "three million, one hundred thirty thousand, one hundred twenty-one".