232112129 has 2 divisors, whose sum is σ = 232112130. Its totient is φ = 232112128.

The previous prime is 232112119. The next prime is 232112147. The reversal of 232112129 is 921211232.

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., 224400400 + 7711729 = 14980^2 + 2777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232112129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116056064 + 116056065.

It is an arithmetic number, because the mean of its divisors is an integer number (116056065).

It is a Proth number, since it is equal to 14167 ⋅ 2¹⁴ + 1 and 14167 < 2¹⁴.

Almost surely, 2^232112129 is an apocalyptic number.

It is an amenable number.

232112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

232112129 is an equidigital number, since it uses as much as digits as its factorization.

232112129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 232112129 is about 15235.2265818399. The cubic root of 232112129 is about 614.5623422430.

The spelling of 232112129 in words is "two hundred thirty-two million, one hundred twelve thousand, one hundred twenty-nine".