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1121340 = 2235111699
BaseRepresentation
bin100010001110000111100
32002222012010
410101300330
5241340330
640011220
712350133
oct4216074
92088163
101121340
116a6530
12460b10
1330351c
1421291a
151723b0
hex111c3c

1121340 has 48 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 271680.

The previous prime is 1121333. The next prime is 1121347. The reversal of 1121340 is 431211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121333) and next prime (1121347).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

21121340 is an apocalyptic number.

1121340 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 1121340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713600).

1121340 is an abundant number, since it is smaller than the sum of its proper divisors (2305860).

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

1121340 is a wasteful number, since it uses less digits than its factorization.

1121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1121340 is about 1058.9334256694. The cubic root of 1121340 is about 103.8912818528.

Adding to 1121340 its reverse (431211), we get a palindrome (1552551).

The spelling of 1121340 in words is "one million, one hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1699 3398 5097 6796 8495 10194 16990 18689 20388 25485 33980 37378 50970 56067 74756 93445 101940 112134 186890 224268 280335 373780 560670 1121340