1199880 has 128 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 288000.

The previous prime is 1199879. The next prime is 1199893. The reversal of 1199880 is 889911.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11830 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (34425).

2^1199880 is an apocalyptic number.

1199880 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 1199880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203200).

1199880 is an abundant number, since it is smaller than the sum of its proper divisors (3206520).

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

1199880 is a wasteful number, since it uses less digits than its factorization.

1199880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1199880 is about 1095.3903413852. The cubic root of 1199880 is about 106.2623146050.

It can be divided in two parts, 119 and 9880, that added together give a palindrome (9999).

The spelling of 1199880 in words is "one million, one hundred ninety-nine thousand, eight hundred eighty".