52115121 has 6 divisors (see below), whose sum is σ = 75277410. Its totient is φ = 34743408.

The previous prime is 52115111. The next prime is 52115177. The reversal of 52115121 is 12151125.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 25644096 = 5145^2 + 5064^2 .

It is not a de Polignac number, because 52115121 - 2¹¹ = 52113073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52115094 and 52115103.

It is not an unprimeable number, because it can be changed into a prime (52115111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2895276 + ... + 2895293.

It is an arithmetic number, because the mean of its divisors is an integer number (12546235).

Almost surely, 2^52115121 is an apocalyptic number.

It is an amenable number.

52115121 is a deficient number, since it is larger than the sum of its proper divisors (23162289).

52115121 is a wasteful number, since it uses less digits than its factorization.

52115121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790575 (or 5790572 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 52115121 is about 7219.0803430908. The cubic root of 52115121 is about 373.5263552420.

Adding to 52115121 its reverse (12151125), we get a palindrome (64266246).

The spelling of 52115121 in words is "fifty-two million, one hundred fifteen thousand, one hundred twenty-one".