53130121 has 4 divisors (see below), whose sum is σ = 57960144. Its totient is φ = 48300100.

The previous prime is 53130089. The next prime is 53130131. The reversal of 53130121 is 12103135.

53130121 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 not a de Polignac number, because 53130121 - 2⁵ = 53130089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53130095 and 53130104.

It is not an unprimeable number, because it can be changed into a prime (53130131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414995 + ... + 2415016.

It is an arithmetic number, because the mean of its divisors is an integer number (14490036).

Almost surely, 2^53130121 is an apocalyptic number.

It is an amenable number.

53130121 is a deficient number, since it is larger than the sum of its proper divisors (4830023).

53130121 is a wasteful number, since it uses less digits than its factorization.

53130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830022.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 53130121 is about 7289.0411577930. The cubic root of 53130121 is about 375.9357277534.

Adding to 53130121 its reverse (12103135), we get a palindrome (65233256).

The spelling of 53130121 in words is "fifty-three million, one hundred thirty thousand, one hundred twenty-one".