1320132500 has 30 divisors (see below), whose sum is σ = 2886871218. Its totient is φ = 528052000.

The previous prime is 1320132487. The next prime is 1320132523. The reversal of 1320132500 is 52310231.

It can be written as a sum of positive squares in 5 ways, for example, as 781985296 + 538147204 = 27964^2 + 23198^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 261527 + ... + 266526.

Almost surely, 2^1320132500 is an apocalyptic number.

1320132500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320132500 is an abundant number, since it is smaller than the sum of its proper divisors (1566738718).

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

1320132500 is an equidigital number, since it uses as much as digits as its factorization.

1320132500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528077 (or 528060 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1320132500 is about 36333.6276746487. The cubic root of 1320132500 is about 1096.9980131407.

Adding to 1320132500 its reverse (52310231), we get a palindrome (1372442731).

The spelling of 1320132500 in words is "one billion, three hundred twenty million, one hundred thirty-two thousand, five hundred".