252234121 has 2 divisors, whose sum is σ = 252234122. Its totient is φ = 252234120.

The previous prime is 252234119. The next prime is 252234127. The reversal of 252234121 is 121432252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173290896 + 78943225 = 13164^2 + 8885^2 .

It is a cyclic number.

It is not a de Polignac number, because 252234121 - 2¹ = 252234119 is a prime.

Together with 252234119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 252234092 and 252234101.

It is not a weakly prime, because it can be changed into another prime (252234127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126117060 + 126117061.

It is an arithmetic number, because the mean of its divisors is an integer number (126117061).

Almost surely, 2^252234121 is an apocalyptic number.

It is an amenable number.

252234121 is a deficient number, since it is larger than the sum of its proper divisors (1).

252234121 is an equidigital number, since it uses as much as digits as its factorization.

252234121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 252234121 is about 15881.8802728140. The cubic root of 252234121 is about 631.8315066841.

Adding to 252234121 its reverse (121432252), we get a palindrome (373666373).

The spelling of 252234121 in words is "two hundred fifty-two million, two hundred thirty-four thousand, one hundred twenty-one".