52130121 has 8 divisors (see below), whose sum is σ = 72528960. Its totient is φ = 33242352.

The previous prime is 52130119. The next prime is 52130149. The reversal of 52130121 is 12103125.

52130121 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 not a de Polignac number, because 52130121 - 2¹ = 52130119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52130121.

It is not an unprimeable number, because it can be changed into a prime (52130101) 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 7 ways as a sum of consecutive naturals, for example, 377686 + ... + 377823.

It is an arithmetic number, because the mean of its divisors is an integer number (9066120).

Almost surely, 2^52130121 is an apocalyptic number.

It is an amenable number.

52130121 is a deficient number, since it is larger than the sum of its proper divisors (20398839).

52130121 is a wasteful number, since it uses less digits than its factorization.

52130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755535.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 52130121 is about 7220.1191818418. The cubic root of 52130121 is about 373.5621884625.

Adding to 52130121 its reverse (12103125), we get a palindrome (64233246).

The spelling of 52130121 in words is "fifty-two million, one hundred thirty thousand, one hundred twenty-one".