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120001230 = 2335444449
BaseRepresentation
bin1110010011100…
…01001011001110
322100210200202000
413021301023032
5221210014410
615524013130
72654664546
oct711611316
9270720660
10120001230
1161812778
12342311a6
131bb2765b
1411d1a326
15a805dc0
hex72712ce

120001230 has 32 divisors (see below), whose sum is σ = 320004000. Its totient is φ = 32000256.

The previous prime is 120001229. The next prime is 120001241. The reversal of 120001230 is 32100021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

120001230 is a modest number, since divided by 1230 gives 1200 as remainder.

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, 221955 + ... + 222494.

It is an arithmetic number, because the mean of its divisors is an integer number (10000125).

Almost surely, 2120001230 is an apocalyptic number.

120001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001230 is an abundant number, since it is smaller than the sum of its proper divisors (200002770).

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

120001230 is a wasteful number, since it uses less digits than its factorization.

120001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444465 (or 444459 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120001230 is about 10954.5072915216. The cubic root of 120001230 is about 493.2441001053.

Adding to 120001230 its reverse (32100021), we get a palindrome (152101251).

The spelling of 120001230 in words is "one hundred twenty million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 444449 888898 1333347 2222245 2666694 4000041 4444490 6666735 8000082 12000123 13333470 20000205 24000246 40000410 60000615 120001230