124666560 has 224 divisors, whose sum is σ = 450616320. Its totient is φ = 32431104.

The previous prime is 124666523. The next prime is 124666561. The reversal of 124666560 is 65666421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (124666561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405927 + ... + 406233.

It is an arithmetic number, because the mean of its divisors is an integer number (2011680).

Almost surely, 2^124666560 is an apocalyptic number.

124666560 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 124666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225308160).

124666560 is an abundant number, since it is smaller than the sum of its proper divisors (325949760).

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

124666560 is a wasteful number, since it uses less digits than its factorization.

124666560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 124666560 is about 11165.4180396437. The cubic root of 124666560 is about 499.5550174318. Note that the first 3 decimals are identical.

The spelling of 124666560 in words is "one hundred twenty-four million, six hundred sixty-six thousand, five hundred sixty".