123140160 has 504 divisors, whose sum is σ = 522085824. Its totient is φ = 26357760.

The previous prime is 123140117. The next prime is 123140191. The reversal of 123140160 is 61041321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 71 ways as a sum of consecutive naturals, for example, 5353909 + ... + 5353931.

Almost surely, 2^123140160 is an apocalyptic number.

123140160 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 123140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261042912).

123140160 is an abundant number, since it is smaller than the sum of its proper divisors (398945664).

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

123140160 is a wasteful number, since it uses less digits than its factorization.

123140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 123140160 is about 11096.8536081179. The cubic root of 123140160 is about 497.5078119696.

Adding to 123140160 its reverse (61041321), we get a palindrome (184181481).

The spelling of 123140160 in words is "one hundred twenty-three million, one hundred forty thousand, one hundred sixty".