489560121 has 6 divisors (see below), whose sum is σ = 707142410. Its totient is φ = 326373408.

The previous prime is 489560087. The next prime is 489560143. The reversal of 489560121 is 121065984.

489560121 is a `hidden beast` number, since 4 + 89 + 560 + 12 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 358572096 + 130988025 = 18936^2 + 11445^2 .

It is not a de Polignac number, because 489560121 - 2¹⁷ = 489429049 is a prime.

It is a super-2 number, since 2×489560121² = 479338224147069282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489560171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27197776 + ... + 27197793.

Almost surely, 2^489560121 is an apocalyptic number.

It is an amenable number.

489560121 is a deficient number, since it is larger than the sum of its proper divisors (217582289).

489560121 is a wasteful number, since it uses less digits than its factorization.

489560121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54395575 (or 54395572 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 489560121 is about 22126.0055364722. The cubic root of 489560121 is about 788.1375348289.

The spelling of 489560121 in words is "four hundred eighty-nine million, five hundred sixty thousand, one hundred twenty-one".