1152325220 has 24 divisors (see below), whose sum is σ = 2420994744. Its totient is φ = 460718336.

The previous prime is 1152325201. The next prime is 1152325241. The reversal of 1152325220 is 225232511.

It can be written as a sum of positive squares in 4 ways, for example, as 82773604 + 1069551616 = 9098^2 + 32704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35822 + ... + 59898.

It is an arithmetic number, because the mean of its divisors is an integer number (100874781).

Almost surely, 2^1152325220 is an apocalyptic number.

1152325220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152325220 is an abundant number, since it is smaller than the sum of its proper divisors (1268669524).

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

1152325220 is a wasteful number, since it uses less digits than its factorization.

1152325220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26479 (or 26477 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1152325220 is about 33945.9161019407. The cubic root of 1152325220 is about 1048.3951962626.

Adding to 1152325220 its reverse (225232511), we get a palindrome (1377557731).

The spelling of 1152325220 in words is "one billion, one hundred fifty-two million, three hundred twenty-five thousand, two hundred twenty".