123560871 has 16 divisors (see below), whose sum is σ = 193373184. Its totient is φ = 68697504.

The previous prime is 123560837. The next prime is 123560897. The reversal of 123560871 is 178065321.

It is not a de Polignac number, because 123560871 - 2¹⁰ = 123559847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123560821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78735 + ... + 80288.

It is an arithmetic number, because the mean of its divisors is an integer number (12085824).

Almost surely, 2^123560871 is an apocalyptic number.

123560871 is a deficient number, since it is larger than the sum of its proper divisors (69812313).

123560871 is a wasteful number, since it uses less digits than its factorization.

123560871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159070.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 123560871 is about 11115.7937638299. The cubic root of 123560871 is about 498.0737499847.

The spelling of 123560871 in words is "one hundred twenty-three million, five hundred sixty thousand, eight hundred seventy-one".