52160121 has 24 divisors (see below), whose sum is σ = 83337800. Its totient is φ = 31228416.

The previous prime is 52160107. The next prime is 52160209. The reversal of 52160121 is 12106125.

It can be written as a sum of positive squares in 4 ways, for example, as 12960000 + 39200121 = 3600^2 + 6261^2 .

It is not a de Polignac number, because 52160121 - 2¹⁵ = 52127353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52160094 and 52160103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52160921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1696 + ... + 10353.

Almost surely, 2^52160121 is an apocalyptic number.

It is an amenable number.

52160121 is a deficient number, since it is larger than the sum of its proper divisors (31177679).

52160121 is a wasteful number, since it uses less digits than its factorization.

52160121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105 (or 12102 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 52160121 is about 7222.1964110650. The cubic root of 52160121 is about 373.6338342873.

Adding to 52160121 its reverse (12106125), we get a palindrome (64266246).

The spelling of 52160121 in words is "fifty-two million, one hundred sixty thousand, one hundred twenty-one".