489122001 has 12 divisors (see below), whose sum is σ = 719840628. Its totient is φ = 319928544.

The previous prime is 489121993. The next prime is 489122003. The reversal of 489122001 is 100221984.

It can be written as a sum of positive squares in 2 ways, for example, as 273737025 + 215384976 = 16545^2 + 14676^2 .

It is not a de Polignac number, because 489122001 - 2³ = 489121993 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (489122003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512230 + ... + 513183.

It is an arithmetic number, because the mean of its divisors is an integer number (59986719).

Almost surely, 2^489122001 is an apocalyptic number.

It is an amenable number.

489122001 is a deficient number, since it is larger than the sum of its proper divisors (230718627).

489122001 is a wasteful number, since it uses less digits than its factorization.

489122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025472 (or 1025469 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 489122001 is about 22116.1027534238. The cubic root of 489122001 is about 787.9023564454.

Adding to 489122001 its reverse (100221984), we get a palindrome (589343985).

The spelling of 489122001 in words is "four hundred eighty-nine million, one hundred twenty-two thousand, one".