1152160520 has 96 divisors (see below), whose sum is σ = 3043834200. Its totient is φ = 391329792.

The previous prime is 1152160511. The next prime is 1152160549. The reversal of 1152160520 is 250612511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1145010244 + 7150276 = 33838^2 + 2674^2 .

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, 210944 + ... + 216336.

Almost surely, 2^1152160520 is an apocalyptic number.

1152160520 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 1152160520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521917100).

1152160520 is an abundant number, since it is smaller than the sum of its proper divisors (1891673680).

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

1152160520 is a wasteful number, since it uses less digits than its factorization.

1152160520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1152160520 is about 33943.4900975135. The cubic root of 1152160520 is about 1048.3452454001.

The spelling of 1152160520 in words is "one billion, one hundred fifty-two million, one hundred sixty thousand, five hundred twenty".