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1125605142 = 232232118211
BaseRepresentation
bin100001100010111…
…0101111100010110
32220110000122222100
41003011311330112
54301123331032
6303405342530
736615325434
oct10305657426
92813018870
101125605142
11528413892
12274b67a46
1314c27745c
14a96c5d54
1568c4297c
hex43175f16

1125605142 has 36 divisors (see below), whose sum is σ = 2549478204. Its totient is φ = 358885560.

The previous prime is 1125605111. The next prime is 1125605171. The reversal of 1125605142 is 2415065211.

1125605142 is a `hidden beast` number, since 1 + 12 + 5 + 605 + 1 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49584 + ... + 68627.

It is an arithmetic number, because the mean of its divisors is an integer number (70818839).

Almost surely, 21125605142 is an apocalyptic number.

1125605142 is an abundant number, since it is smaller than the sum of its proper divisors (1423873062).

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

1125605142 is a wasteful number, since it uses less digits than its factorization.

1125605142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118265 (or 118239 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1125605142 is about 33550.0393740454. The cubic root of 1125605142 is about 1040.2283590011.

The spelling of 1125605142 in words is "one billion, one hundred twenty-five million, six hundred five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 529 1058 1587 3174 4761 9522 118211 236422 354633 709266 1063899 2127798 2718853 5437706 8156559 16313118 24469677 48939354 62533619 125067238 187600857 375201714 562802571 1125605142