1198652720 has 20 divisors (see below), whose sum is σ = 2786867760. Its totient is φ = 479461056.

The previous prime is 1198652681. The next prime is 1198652747. The reversal of 1198652720 is 272568911.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7491500 + ... + 7491659.

It is an arithmetic number, because the mean of its divisors is an integer number (139343388).

Almost surely, 2^1198652720 is an apocalyptic number.

1198652720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198652720 is an abundant number, since it is smaller than the sum of its proper divisors (1588215040).

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

1198652720 is a wasteful number, since it uses less digits than its factorization.

1198652720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14983172 (or 14983166 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1198652720 is about 34621.5643782889. The cubic root of 1198652720 is about 1062.2607261891.

The spelling of 1198652720 in words is "one billion, one hundred ninety-eight million, six hundred fifty-two thousand, seven hundred twenty".