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1230060 = 2235131983
BaseRepresentation
bin100101100010011101100
32022111022210
410230103230
5303330220
642210420
713312116
oct4542354
92274283
101230060
11770187
124b3a10
13340b60
142403b6
151946e0
hex12c4ec

1230060 has 96 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 283392.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230060 is 600321.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1230067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14779 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

21230060 is an apocalyptic number.

1230060 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 1230060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975680).

1230060 is an abundant number, since it is smaller than the sum of its proper divisors (2721300).

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

1230060 is a wasteful number, since it uses less digits than its factorization.

1230060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230060 is about 1109.0807004001. The cubic root of 1230060 is about 107.1458691217.

Adding to 1230060 its product of nonzero digits (36), we get a triangular number (1230096 = T1568).

Adding to 1230060 its reverse (600321), we get a palindrome (1830381).

The spelling of 1230060 in words is "one million, two hundred thirty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 19 20 26 30 38 39 52 57 60 65 76 78 83 95 114 130 156 166 190 195 228 247 249 260 285 332 380 390 415 494 498 570 741 780 830 988 996 1079 1140 1235 1245 1482 1577 1660 2158 2470 2490 2964 3154 3237 3705 4316 4731 4940 4980 5395 6308 6474 7410 7885 9462 10790 12948 14820 15770 16185 18924 20501 21580 23655 31540 32370 41002 47310 61503 64740 82004 94620 102505 123006 205010 246012 307515 410020 615030 1230060