1232540160 has 240 divisors, whose sum is σ = 4095862848. Its totient is φ = 316170240.

The previous prime is 1232540143. The next prime is 1232540201. The reversal of 1232540160 is 610452321.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1232540160.

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 23 ways as a sum of consecutive naturals, for example, 7380397 + ... + 7380563.

Almost surely, 2^1232540160 is an apocalyptic number.

1232540160 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 1232540160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047931424).

1232540160 is an abundant number, since it is smaller than the sum of its proper divisors (2863322688).

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

1232540160 is an equidigital number, since it uses as much as digits as its factorization.

1232540160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1232540160 is about 35107.5513244658. The cubic root of 1232540160 is about 1072.1783322537.

Adding to 1232540160 its reverse (610452321), we get a palindrome (1842992481).

The spelling of 1232540160 in words is "one billion, two hundred thirty-two million, five hundred forty thousand, one hundred sixty".