1198834560 has 1024 divisors, whose sum is σ = 5710694400. Its totient is φ = 230031360.

The previous prime is 1198834541. The next prime is 1198834591. The reversal of 1198834560 is 654388911.

1198834560 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 83 + 4 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 22619494 + ... + 22619546.

It is an arithmetic number, because the mean of its divisors is an integer number (5576850).

Almost surely, 2^1198834560 is an apocalyptic number.

1198834560 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 1198834560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855347200).

1198834560 is an abundant number, since it is smaller than the sum of its proper divisors (4511859840).

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

1198834560 is a wasteful number, since it uses less digits than its factorization.

1198834560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1198834560 is about 34624.1903876466. The cubic root of 1198834560 is about 1062.3144397516.

The spelling of 1198834560 in words is "one billion, one hundred ninety-eight million, eight hundred thirty-four thousand, five hundred sixty".