1234530489 has 4 divisors (see below), whose sum is σ = 1646040656. Its totient is φ = 823020324.

The previous prime is 1234530461. The next prime is 1234530503. The reversal of 1234530489 is 9840354321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1234530489 - 2⁵ = 1234530457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234530289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205755079 + ... + 205755084.

It is an arithmetic number, because the mean of its divisors is an integer number (411510164).

Almost surely, 2^1234530489 is an apocalyptic number.

It is an amenable number.

1234530489 is a deficient number, since it is larger than the sum of its proper divisors (411510167).

1234530489 is an equidigital number, since it uses as much as digits as its factorization.

1234530489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411510166.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1234530489 is about 35135.8860568508. The cubic root of 1234530489 is about 1072.7551464511.

The spelling of 1234530489 in words is "one billion, two hundred thirty-four million, five hundred thirty thousand, four hundred eighty-nine".