1230112320 has 56 divisors (see below), whose sum is σ = 3905609664. Its totient is φ = 328029696.

The previous prime is 1230112297. The next prime is 1230112337. The reversal of 1230112320 is 232110321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230112320.

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, 639724 + ... + 641643.

Almost surely, 2^1230112320 is an apocalyptic number.

1230112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230112320 is an abundant number, since it is smaller than the sum of its proper divisors (2675497344).

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

1230112320 is a wasteful number, since it uses less digits than its factorization.

1230112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281387 (or 1281377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230112320 is about 35072.9571037288. The cubic root of 1230112320 is about 1071.4738823250.

Adding to 1230112320 its reverse (232110321), we get a palindrome (1462222641).

The spelling of 1230112320 in words is "one billion, two hundred thirty million, one hundred twelve thousand, three hundred twenty".