1197800 has 48 divisors (see below), whose sum is σ = 2862540. Its totient is φ = 465920.

The previous prime is 1197799. The next prime is 1197821. The reversal of 1197800 is 87911.

It can be written as a sum of positive squares in 6 ways, for example, as 209764 + 988036 = 458^2 + 994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1197800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10544 + ... + 10656.

2^1197800 is an apocalyptic number.

1197800 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 1197800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431270).

1197800 is an abundant number, since it is smaller than the sum of its proper divisors (1664740).

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

1197800 is a wasteful number, since it uses less digits than its factorization.

1197800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1197800 is about 1094.4404963268. The cubic root of 1197800 is about 106.2008769462.

The spelling of 1197800 in words is "one million, one hundred ninety-seven thousand, eight hundred".