1198996800 has 168 divisors, whose sum is σ = 3949598400. Its totient is φ = 318443520.

The previous prime is 1198996763. The next prime is 1198996801. The reversal of 1198996800 is 86998911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198996801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106916 + ... + 2107484.

Almost surely, 2^1198996800 is an apocalyptic number.

1198996800 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 1198996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974799200).

1198996800 is an abundant number, since it is smaller than the sum of its proper divisors (2750601600).

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

1198996800 is a wasteful number, since it uses less digits than its factorization.

1198996800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 1198996800 is about 34626.5331790522. The cubic root of 1198996800 is about 1062.3623591021.

The spelling of 1198996800 in words is "one billion, one hundred ninety-eight million, nine hundred ninety-six thousand, eight hundred".