52136121 has 8 divisors (see below), whose sum is σ = 69588544. Its totient is φ = 34720560.

The previous prime is 52136107. The next prime is 52136131. The reversal of 52136121 is 12163125.

52136121 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 52136121 - 2⁹ = 52135609 is a prime.

It is a super-2 number, since 2×52136121² = 5436350225853282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52136131) 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, 5725 + ... + 11706.

It is an arithmetic number, because the mean of its divisors is an integer number (8698568).

Almost surely, 2^52136121 is an apocalyptic number.

It is an amenable number.

52136121 is a deficient number, since it is larger than the sum of its proper divisors (17452423).

52136121 is a wasteful number, since it uses less digits than its factorization.

52136121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431.

The product of its digits is 360, while the sum is 21.

The square root of 52136121 is about 7220.5346754932. The cubic root of 52136121 is about 373.5765198260.

Adding to 52136121 its reverse (12163125), we get a palindrome (64299246).

The spelling of 52136121 in words is "fifty-two million, one hundred thirty-six thousand, one hundred twenty-one".