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1120256 = 211547
BaseRepresentation
bin100010001100000000000
32002220200222
410101200000
5241322011
640002212
712344024
oct4214000
92086628
101120256
116a5735
12460368
13302b97
14212384
15171ddb
hex111800

1120256 has 24 divisors (see below), whose sum is σ = 2244060. Its totient is φ = 559104.

The previous prime is 1120237. The next prime is 1120271. The reversal of 1120256 is 6520211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775 + ... + 2321.

21120256 is an apocalyptic number.

1120256 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 1120256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122030).

1120256 is an abundant number, since it is smaller than the sum of its proper divisors (1123804).

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

1120256 is an frugal number, since it uses more digits than its factorization.

1120256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1120256 is about 1058.4214661466. The cubic root of 1120256 is about 103.8577938062.

Adding to 1120256 its reverse (6520211), we get a palindrome (7640467).

The spelling of 1120256 in words is "one million, one hundred twenty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 547 1024 1094 2048 2188 4376 8752 17504 35008 70016 140032 280064 560128 1120256