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1125980 = 22556299
BaseRepresentation
bin100010010111001011100
32010012112222
410102321130
5242012410
640044512
712366512
oct4227134
92105488
101125980
116a9a69
12463738
1330567b
142144b2
15173955
hex112e5c

1125980 has 12 divisors (see below), whose sum is σ = 2364600. Its totient is φ = 450384.

The previous prime is 1125973. The next prime is 1125991. The reversal of 1125980 is 895211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28130 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (197050).

21125980 is an apocalyptic number.

1125980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125980 is an abundant number, since it is smaller than the sum of its proper divisors (1238620).

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

1125980 is a wasteful number, since it uses less digits than its factorization.

1125980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56308 (or 56306 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1125980 is about 1061.1220476458. The cubic root of 1125980 is about 104.0343821232.

It can be divided in two parts, 1125 and 980, that multiplied together give a square (1102500 = 10502).

The spelling of 1125980 in words is "one million, one hundred twenty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 56299 112598 225196 281495 562990 1125980