123660160 has 128 divisors (see below), whose sum is σ = 323870400. Its totient is φ = 44875776.

The previous prime is 123660109. The next prime is 123660161. The reversal of 123660160 is 61066321.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123660161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740397 + ... + 740563.

Almost surely, 2^123660160 is an apocalyptic number.

123660160 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 123660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161935200).

123660160 is an abundant number, since it is smaller than the sum of its proper divisors (200210240).

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

123660160 is a wasteful number, since it uses less digits than its factorization.

123660160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 123660160 is about 11120.2589897898. The cubic root of 123660160 is about 498.2071255531.

The spelling of 123660160 in words is "one hundred twenty-three million, six hundred sixty thousand, one hundred sixty".