1201856 has 28 divisors (see below), whose sum is σ = 2423160. Its totient is φ = 591360.

The previous prime is 1201853. The next prime is 1201873. The reversal of 1201856 is 6581021.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1201853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5591 + ... + 5801.

2^1201856 is an apocalyptic number.

1201856 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 1201856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211580).

1201856 is an abundant number, since it is smaller than the sum of its proper divisors (1221304).

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

1201856 is an equidigital number, since it uses as much as digits as its factorization.

1201856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1201856 is about 1096.2919319232. The cubic root of 1201856 is about 106.3206146502.

Adding to 1201856 its reverse (6581021), we get a palindrome (7782877).

The spelling of 1201856 in words is "one million, two hundred one thousand, eight hundred fifty-six".