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1120980 = 2235717157
BaseRepresentation
bin100010001101011010100
32002221200210
410101223110
5241332410
640005420
712346110
oct4215324
92087623
101120980
116a6233
12460870
13303303
14212740
15172220
hex111ad4

1120980 has 96 divisors (see below), whose sum is σ = 3822336. Its totient is φ = 239616.

The previous prime is 1120969. The next prime is 1120993. The reversal of 1120980 is 890211.

1120980 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7062 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (39816).

21120980 is an apocalyptic number.

1120980 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 1120980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911168).

1120980 is an abundant number, since it is smaller than the sum of its proper divisors (2701356).

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

1120980 is a wasteful number, since it uses less digits than its factorization.

1120980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1120980 is about 1058.7634296669. The cubic root of 1120980 is about 103.8801627558.

The spelling of 1120980 in words is "one million, one hundred twenty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 157 170 204 210 238 255 314 340 357 420 471 476 510 595 628 714 785 942 1020 1099 1190 1428 1570 1785 1884 2198 2355 2380 2669 3140 3297 3570 4396 4710 5338 5495 6594 7140 8007 9420 10676 10990 13188 13345 16014 16485 18683 21980 26690 32028 32970 37366 40035 53380 56049 65940 74732 80070 93415 112098 160140 186830 224196 280245 373660 560490 1120980