489107123 has 2 divisors, whose sum is σ = 489107124. Its totient is φ = 489107122.

The previous prime is 489107111. The next prime is 489107189. The reversal of 489107123 is 321701984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489107123 - 2⁸ = 489106867 is a prime.

It is not a weakly prime, because it can be changed into another prime (489107923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244553561 + 244553562.

It is an arithmetic number, because the mean of its divisors is an integer number (244553562).

Almost surely, 2^489107123 is an apocalyptic number.

489107123 is a deficient number, since it is larger than the sum of its proper divisors (1).

489107123 is an equidigital number, since it uses as much as digits as its factorization.

489107123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 489107123 is about 22115.7663896144. The cubic root of 489107123 is about 787.8943676205.

The spelling of 489107123 in words is "four hundred eighty-nine million, one hundred seven thousand, one hundred twenty-three".