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123604130 = 25133130671
BaseRepresentation
bin1110101111000…
…00110010100010
322121120201222202
413113200302202
5223120313010
620133133202
73030421616
oct727406242
9277521882
10123604130
1163853681
123548a202
131c7b9550
14125b7346
15acb86a5
hex75e0ca2

123604130 has 32 divisors (see below), whose sum is σ = 247339008. Its totient is φ = 44164800.

The previous prime is 123604123. The next prime is 123604141. The reversal of 123604130 is 31406321.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11306 + ... + 19365.

It is an arithmetic number, because the mean of its divisors is an integer number (7729344).

Almost surely, 2123604130 is an apocalyptic number.

123604130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123604130 is an abundant number, since it is smaller than the sum of its proper divisors (123734878).

123604130 is a wasteful number, since it uses less digits than its factorization.

123604130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30722.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 123604130 is about 11117.7394284989. The cubic root of 123604130 is about 498.1318688649.

The spelling of 123604130 in words is "one hundred twenty-three million, six hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 806 2015 4030 30671 61342 153355 306710 398723 797446 950801 1901602 1993615 3987230 4754005 9508010 12360413 24720826 61802065 123604130