238032121 has 2 divisors, whose sum is σ = 238032122. Its totient is φ = 238032120.

The previous prime is 238032103. The next prime is 238032139. The reversal of 238032121 is 121230832.

It is a balanced prime because it is at equal distance from previous prime (238032103) and next prime (238032139).

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 2839225 = 15336^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 238032121 - 2⁵ = 238032089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238032092 and 238032101.

It is not a weakly prime, because it can be changed into another prime (238038121) 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 as a sum of consecutive naturals, namely, 119016060 + 119016061.

It is an arithmetic number, because the mean of its divisors is an integer number (119016061).

Almost surely, 2^238032121 is an apocalyptic number.

It is an amenable number.

238032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

238032121 is an equidigital number, since it uses as much as digits as its factorization.

238032121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 238032121 is about 15428.2896330086. The cubic root of 238032121 is about 619.7433216034.

Adding to 238032121 its reverse (121230832), we get a palindrome (359262953).

The spelling of 238032121 in words is "two hundred thirty-eight million, thirty-two thousand, one hundred twenty-one".