1320198132 has 24 divisors (see below), whose sum is σ = 3360504672. Its totient is φ = 400060000.

The previous prime is 1320198107. The next prime is 1320198149. The reversal of 1320198132 is 2318910231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320198132.

It is a congruent number.

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, 5000619 + ... + 5000882.

It is an arithmetic number, because the mean of its divisors is an integer number (140021028).

Almost surely, 2^1320198132 is an apocalyptic number.

1320198132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320198132 is an abundant number, since it is smaller than the sum of its proper divisors (2040306540).

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

1320198132 is a wasteful number, since it uses less digits than its factorization.

1320198132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001519 (or 10001517 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1320198132 is about 36334.5308487670. The cubic root of 1320198132 is about 1097.0161923716.

The spelling of 1320198132 in words is "one billion, three hundred twenty million, one hundred ninety-eight thousand, one hundred thirty-two".