1230338660 has 24 divisors (see below), whose sum is σ = 2646730296. Its totient is φ = 480131840.

The previous prime is 1230338647. The next prime is 1230338663. The reversal of 1230338660 is 668330321.

It can be written as a sum of positive squares in 4 ways, for example, as 4778596 + 1225560064 = 2186^2 + 35008^2 .

It is not an unprimeable number, because it can be changed into a prime (1230338663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749387 + ... + 751026.

It is an arithmetic number, because the mean of its divisors is an integer number (110280429).

Almost surely, 2^1230338660 is an apocalyptic number.

1230338660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230338660 is an abundant number, since it is smaller than the sum of its proper divisors (1416391636).

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

1230338660 is a wasteful number, since it uses less digits than its factorization.

1230338660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500463 (or 1500461 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1230338660 is about 35076.1836578611. The cubic root of 1230338660 is about 1071.5395951660.

Adding to 1230338660 its reverse (668330321), we get a palindrome (1898668981).

The spelling of 1230338660 in words is "one billion, two hundred thirty million, three hundred thirty-eight thousand, six hundred sixty".