124172160 has 128 divisors (see below), whose sum is σ = 452390400. Its totient is φ = 28379136.

The previous prime is 124172137. The next prime is 124172161. The reversal of 124172160 is 61271421.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 124172160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124172161) 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, 8821 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 2^124172160 is an apocalyptic number.

124172160 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 124172160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226195200).

124172160 is an abundant number, since it is smaller than the sum of its proper divisors (328218240).

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

124172160 is an equidigital number, since it uses as much as digits as its factorization.

124172160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268 (or 9256 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 124172160 is about 11143.2562565886. The cubic root of 124172160 is about 498.8937676383.

The spelling of 124172160 in words is "one hundred twenty-four million, one hundred seventy-two thousand, one hundred sixty".