1232001320 has 32 divisors (see below), whose sum is σ = 3024004320. Its totient is φ = 448000320.

The previous prime is 1232001313. The next prime is 1232001347. The reversal of 1232001320 is 231002321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1232001295 and 1232001304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399562 + ... + 1400441.

It is an arithmetic number, because the mean of its divisors is an integer number (94500135).

Almost surely, 2^1232001320 is an apocalyptic number.

1232001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232001320 is an abundant number, since it is smaller than the sum of its proper divisors (1792003000).

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

1232001320 is a wasteful number, since it uses less digits than its factorization.

1232001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800025 (or 2800021 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1232001320 is about 35099.8763530586. The cubic root of 1232001320 is about 1072.0220650578.

Adding to 1232001320 its reverse (231002321), we get a palindrome (1463003641).

It can be divided in two parts, 1232001 and 320, that added together give a palindrome (1232321).

The spelling of 1232001320 in words is "one billion, two hundred thirty-two million, one thousand, three hundred twenty".