124809960 has 128 divisors (see below), whose sum is σ = 426332160. Its totient is φ = 28934400.

The previous prime is 124809959. The next prime is 124809961. The reversal of 124809960 is 69908421.

It is an interprime number because it is at equal distance from previous prime (124809959) and next prime (124809961).

It is a super-2 number, since 2×124809960² = 31155052230403200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124809961) 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, 28305 + ... + 32415.

It is an arithmetic number, because the mean of its divisors is an integer number (3330720).

Almost surely, 2^124809960 is an apocalyptic number.

124809960 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 124809960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213166080).

124809960 is an abundant number, since it is smaller than the sum of its proper divisors (301522200).

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

124809960 is a wasteful number, since it uses less digits than its factorization.

124809960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 124809960 is about 11171.8378076304. The cubic root of 124809960 is about 499.7464848152.

The spelling of 124809960 in words is "one hundred twenty-four million, eight hundred nine thousand, nine hundred sixty".