1230504320 has 32 divisors (see below), whose sum is σ = 2941675920. Its totient is φ = 492201472.

The previous prime is 1230504313. The next prime is 1230504329. The reversal of 1230504320 is 234050321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1230504292 and 1230504301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230504329) 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, 960692 + ... + 961971.

Almost surely, 2^1230504320 is an apocalyptic number.

1230504320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230504320 is an abundant number, since it is smaller than the sum of its proper divisors (1711171600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230504320 is an equidigital number, since it uses as much as digits as its factorization.

1230504320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922682 (or 1922670 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1230504320 is about 35078.5450097349. The cubic root of 1230504320 is about 1071.5876857957.

Adding to 1230504320 its reverse (234050321), we get a palindrome (1464554641).

The spelling of 1230504320 in words is "one billion, two hundred thirty million, five hundred four thousand, three hundred twenty".