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232020121 is a prime number
BaseRepresentation
bin11011101010001…
…01100010011001
3121011120211202211
431311011202121
5433344120441
635004555121
75515065334
oct1565054231
9534524684
10232020121
11109a73173
1265852aa1
13390b8918
1422b5961b
1515581a81
hexdd45899

232020121 has 2 divisors, whose sum is σ = 232020122. Its totient is φ = 232020120.

The previous prime is 232020101. The next prime is 232020137. The reversal of 232020121 is 121020232.

232020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230888025 + 1132096 = 15195^2 + 1064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232020121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232020101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116010060 + 116010061.

It is an arithmetic number, because the mean of its divisors is an integer number (116010061).

Almost surely, 2232020121 is an apocalyptic number.

It is an amenable number.

232020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

232020121 is an equidigital number, since it uses as much as digits as its factorization.

232020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 232020121 is about 15232.2067015912. The cubic root of 232020121 is about 614.4811284417.

Adding to 232020121 its reverse (121020232), we get a palindrome (353040353).

The spelling of 232020121 in words is "two hundred thirty-two million, twenty thousand, one hundred twenty-one".