1198880 has 48 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 467712.

The previous prime is 1198877. The next prime is 1198903. The reversal of 1198880 is 888911.

It is a self number, because there is not a number n which added to its sum of digits gives 1198880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9377 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1198880 is an apocalyptic number.

1198880 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 1198880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1198880 is an abundant number, since it is smaller than the sum of its proper divisors (1704160).

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

1198880 is a wasteful number, since it uses less digits than its factorization.

1198880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 1198880 is about 1094.9337879525. The cubic root of 1198880 is about 106.2327861386.

The spelling of 1198880 in words is "one million, one hundred ninety-eight thousand, eight hundred eighty".