1152288018 has 126 divisors (see below), whose sum is σ = 3038482071. Its totient is φ = 326632824.

The previous prime is 1152287933. The next prime is 1152288019. The reversal of 1152288018 is 8108822511.

It can be written as a sum of positive squares in only one way, i.e., 576144009 + 576144009 = 24003^2 + 24003^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24003.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1152288019) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 9073071 + ... + 9073197.

Almost surely, 2^1152288018 is an apocalyptic number.

1152288018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152288018

1152288018 is an abundant number, since it is smaller than the sum of its proper divisors (1886194053).

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

1152288018 is an frugal number, since it uses more digits than its factorization.

1152288018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The square root of 1152288018 is about 33945.3681376414. The cubic root of 1152288018 is about 1048.3839139102.

The spelling of 1152288018 in words is "one billion, one hundred fifty-two million, two hundred eighty-eight thousand, eighteen".