52127121 has 16 divisors (see below), whose sum is σ = 70585088. Its totient is φ = 34214400.

The previous prime is 52127111. The next prime is 52127171. The reversal of 52127121 is 12172125.

52127121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52127121 - 2⁶ = 52127057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52127111) 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 15 ways as a sum of consecutive naturals, for example, 78531 + ... + 79191.

It is an arithmetic number, because the mean of its divisors is an integer number (4411568).

Almost surely, 2^52127121 is an apocalyptic number.

It is an amenable number.

52127121 is a deficient number, since it is larger than the sum of its proper divisors (18457967).

52127121 is a wasteful number, since it uses less digits than its factorization.

52127121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its digits is 280, while the sum is 21.

The square root of 52127121 is about 7219.9114260495. The cubic root of 52127121 is about 373.5550223684. Note that the first 3 decimals are identical.

Adding to 52127121 its reverse (12172125), we get a palindrome (64299246).

The spelling of 52127121 in words is "fifty-two million, one hundred twenty-seven thousand, one hundred twenty-one".