1183230720 has 576 divisors, whose sum is σ = 4936995840. Its totient is φ = 262766592.

The previous prime is 1183230683. The next prime is 1183230739. The reversal of 1183230720 is 270323811.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16208604 + ... + 16208676.

Almost surely, 2^1183230720 is an apocalyptic number.

1183230720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1183230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468497920).

1183230720 is an abundant number, since it is smaller than the sum of its proper divisors (3753765120).

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

1183230720 is an equidigital number, since it uses as much as digits as its factorization.

1183230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1183230720 is about 34398.1208789085. The cubic root of 1183230720 is about 1057.6853253995.

The spelling of 1183230720 in words is "one billion, one hundred eighty-three million, two hundred thirty thousand, seven hundred twenty".