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1121312 = 2567523
BaseRepresentation
bin100010001110000100000
32002222011002
410101300200
5241340222
640011132
712350063
oct4216040
92088132
101121312
116a6505
12460aa8
133034ca
142128da
15172392
hex111c20

1121312 has 24 divisors (see below), whose sum is σ = 2244816. Its totient is φ = 551232.

The previous prime is 1121297. The next prime is 1121317. The reversal of 1121312 is 2131211.

It is a junction number, because it is equal to n+sod(n) for n = 1121293 and 1121302.

It is not an unprimeable number, because it can be changed into a prime (1121317) 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, 1883 + ... + 2405.

It is an arithmetic number, because the mean of its divisors is an integer number (93534).

21121312 is an apocalyptic number.

It is an amenable number.

1121312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1121312 is an equidigital number, since it uses as much as digits as its factorization.

1121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 592 counting only the distinct ones).

The product of its digits is 12, while the sum is 11.

The square root of 1121312 is about 1058.9202047369. The cubic root of 1121312 is about 103.8904171195.

Adding to 1121312 its reverse (2131211), we get a palindrome (3252523).

It can be divided in two parts, 11 and 21312, that multiplied together give a palindrome (234432).

The spelling of 1121312 in words is "one million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 67 134 268 523 536 1046 1072 2092 2144 4184 8368 16736 35041 70082 140164 280328 560656 1121312