1198061280 has 360 divisors, whose sum is σ = 4586789592. Its totient is φ = 294368256.

The previous prime is 1198061279. The next prime is 1198061297. The reversal of 1198061280 is 821608911.

1198061280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2189967 + ... + 2190513.

Almost surely, 2^1198061280 is an apocalyptic number.

1198061280 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 1198061280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293394796).

1198061280 is an abundant number, since it is smaller than the sum of its proper divisors (3388728312).

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

1198061280 is a wasteful number, since it uses less digits than its factorization.

1198061280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1198061280 is about 34613.0218270523. The cubic root of 1198061280 is about 1062.0859836540.

The spelling of 1198061280 in words is "one billion, one hundred ninety-eight million, sixty-one thousand, two hundred eighty".