489121245 has 48 divisors (see below), whose sum is σ = 869985792. Its totient is φ = 254096640.

The previous prime is 489121223. The next prime is 489121247. The reversal of 489121245 is 542121984.

It is not a de Polignac number, because 489121245 - 2⁹ = 489120733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489121247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593904 + ... + 594726.

It is an arithmetic number, because the mean of its divisors is an integer number (18124704).

Almost surely, 2^489121245 is an apocalyptic number.

489121245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489121245 is a deficient number, since it is larger than the sum of its proper divisors (380864547).

489121245 is a wasteful number, since it uses less digits than its factorization.

489121245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1159 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 489121245 is about 22116.0856617983. The cubic root of 489121245 is about 787.9019505109.

The spelling of 489121245 in words is "four hundred eighty-nine million, one hundred twenty-one thousand, two hundred forty-five".