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121060620 = 223251016659
BaseRepresentation
bin1110011011100…
…11110100001100
322102210111221200
413031303310030
5221442414440
620002425500
72666666262
oct715636414
9272714850
10121060620
11623766aa
1234662290
131c108905
1412114432
15a964c30
hex7373d0c

121060620 has 72 divisors (see below), whose sum is σ = 370908720. Its totient is φ = 31958400.

The previous prime is 121060619. The next prime is 121060631. The reversal of 121060620 is 26060121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121060593 and 121060602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14851 + ... + 21509.

It is an arithmetic number, because the mean of its divisors is an integer number (5151510).

Almost surely, 2121060620 is an apocalyptic number.

121060620 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 121060620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185454360).

121060620 is an abundant number, since it is smaller than the sum of its proper divisors (249848100).

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

121060620 is a wasteful number, since it uses less digits than its factorization.

121060620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121060620 is about 11002.7551095169. The cubic root of 121060620 is about 494.6913288328.

The spelling of 121060620 in words is "one hundred twenty-one million, sixty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 101 180 202 303 404 505 606 909 1010 1212 1515 1818 2020 3030 3636 4545 6060 6659 9090 13318 18180 19977 26636 33295 39954 59931 66590 79908 99885 119862 133180 199770 239724 299655 399540 599310 672559 1198620 1345118 2017677 2690236 3362795 4035354 6053031 6725590 8070708 10088385 12106062 13451180 20176770 24212124 30265155 40353540 60530310 121060620