1197856 has 48 divisors (see below), whose sum is σ = 2667168. Its totient is φ = 524800.

The previous prime is 1197829. The next prime is 1197881. The reversal of 1197856 is 6587911.

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, 14391 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (55566).

2^1197856 is an apocalyptic number.

1197856 is a gapful number since it is divisible by the number (16) 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 1197856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333584).

1197856 is an abundant number, since it is smaller than the sum of its proper divisors (1469312).

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

1197856 is a wasteful number, since it uses less digits than its factorization.

1197856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 137 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 1197856 is about 1094.4660798764. The cubic root of 1197856 is about 106.2025319683.

The spelling of 1197856 in words is "one million, one hundred ninety-seven thousand, eight hundred fifty-six".