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122000120 = 23511277273
BaseRepresentation
bin1110100010110…
…01001011111000
322111120020200222
413101121023320
5222213000440
620034515212
73010661324
oct721311370
9274506628
10122000120
1162958550
1234a35b08
131c377428
14122ba984
15aa9d2b5
hex74592f8

122000120 has 32 divisors (see below), whose sum is σ = 299455920. Its totient is φ = 44363520.

The previous prime is 122000113. The next prime is 122000149. The reversal of 122000120 is 21000221.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 122000098 and 122000107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138197 + ... + 139076.

Almost surely, 2122000120 is an apocalyptic number.

122000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000120 is an abundant number, since it is smaller than the sum of its proper divisors (177455800).

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

122000120 is a wasteful number, since it uses less digits than its factorization.

122000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277295 (or 277291 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 122000120 is about 11045.3664493307. The cubic root of 122000120 is about 495.9677289965.

Adding to 122000120 its reverse (21000221), we get a palindrome (143000341).

The spelling of 122000120 in words is "one hundred twenty-two million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 277273 554546 1109092 1386365 2218184 2772730 3050003 5545460 6100006 11090920 12200012 15250015 24400024 30500030 61000060 122000120