235124089 has 2 divisors, whose sum is σ = 235124090. Its totient is φ = 235124088.

The previous prime is 235124081. The next prime is 235124191. The reversal of 235124089 is 980421532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219188025 + 15936064 = 14805^2 + 3992^2 .

It is a cyclic number.

It is not a de Polignac number, because 235124089 - 2³ = 235124081 is a prime.

It is equal to p_12908491 and since 235124089 and 12908491 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (235124081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117562044 + 117562045.

It is an arithmetic number, because the mean of its divisors is an integer number (117562045).

Almost surely, 2^235124089 is an apocalyptic number.

It is an amenable number.

235124089 is a deficient number, since it is larger than the sum of its proper divisors (1).

235124089 is an equidigital number, since it uses as much as digits as its factorization.

235124089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 235124089 is about 15333.7565195225. The cubic root of 235124089 is about 617.2091777450.

The spelling of 235124089 in words is "two hundred thirty-five million, one hundred twenty-four thousand, eighty-nine".