1152240000 has 160 divisors (see below), whose sum is σ = 3825369240. Its totient is φ = 307200000.

The previous prime is 1152239987. The next prime is 1152240107. The reversal of 1152240000 is 422511.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 237600 + ... + 242400.

Almost surely, 2^1152240000 is an apocalyptic number.

1152240000 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 1152240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912684620).

1152240000 is an abundant number, since it is smaller than the sum of its proper divisors (2673129240).

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

1152240000 is an frugal number, since it uses more digits than its factorization.

1152240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1152240000 is about 33944.6608467370. The cubic root of 1152240000 is about 1048.3693510008.

Adding to 1152240000 its reverse (422511), we get a palindrome (1152662511).

The spelling of 1152240000 in words is "one billion, one hundred fifty-two million, two hundred forty thousand".