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122013120 = 2635149853
BaseRepresentation
bin1110100010111…
…00010111000000
322111120220112110
413101130113000
5222213404440
620035055320
73011044245
oct721342700
9274526473
10122013120
1162967299
1234a41540
131c380318
14122c15cc
15aaa2080
hex745c5c0

122013120 has 112 divisors (see below), whose sum is σ = 390448800. Its totient is φ = 32280576.

The previous prime is 122013119. The next prime is 122013163. The reversal of 122013120 is 21310221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122013096 and 122013105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142614 + ... + 143466.

It is an arithmetic number, because the mean of its divisors is an integer number (3486150).

Almost surely, 2122013120 is an apocalyptic number.

122013120 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 122013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195224400).

122013120 is an abundant number, since it is smaller than the sum of its proper divisors (268435680).

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

122013120 is a wasteful number, since it uses less digits than its factorization.

122013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1012 counting only the distinct ones).

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

The square root of 122013120 is about 11045.9549157146. The cubic root of 122013120 is about 495.9853446936.

Adding to 122013120 its reverse (21310221), we get a palindrome (143323341).

The spelling of 122013120 in words is "one hundred twenty-two million, thirteen thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 149 160 192 240 298 320 447 480 596 745 853 894 960 1192 1490 1706 1788 2235 2384 2559 2980 3412 3576 4265 4470 4768 5118 5960 6824 7152 8530 8940 9536 10236 11920 12795 13648 14304 17060 17880 20472 23840 25590 27296 28608 34120 35760 40944 47680 51180 54592 68240 71520 81888 102360 127097 136480 143040 163776 204720 254194 272960 381291 409440 508388 635485 762582 818880 1016776 1270970 1525164 1906455 2033552 2541940 3050328 3812910 4067104 5083880 6100656 7625820 8134208 10167760 12201312 15251640 20335520 24402624 30503280 40671040 61006560 122013120