1198179648 has 112 divisors (see below), whose sum is σ = 3597615360. Its totient is φ = 390868992.

The previous prime is 1198179623. The next prime is 1198179673. The reversal of 1198179648 is 8469718911.

It is an interprime number because it is at equal distance from previous prime (1198179623) and next prime (1198179673).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1198179594 and 1198179603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73840 + ... + 88592.

Almost surely, 2^1198179648 is an apocalyptic number.

1198179648 is a gapful number since it is divisible by the number (18) 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 1198179648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798807680).

1198179648 is an abundant number, since it is smaller than the sum of its proper divisors (2399435712).

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

1198179648 is a wasteful number, since it uses less digits than its factorization.

1198179648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821 (or 14805 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The square root of 1198179648 is about 34614.7316615339. The cubic root of 1198179648 is about 1062.1209603995.

The spelling of 1198179648 in words is "one billion, one hundred ninety-eight million, one hundred seventy-nine thousand, six hundred forty-eight".