124807984 has 80 divisors (see below), whose sum is σ = 288870400. Its totient is φ = 51114240.

The previous prime is 124807981. The next prime is 124808003. The reversal of 124807984 is 489708421.

It is a self number, because there is not a number n which added to its sum of digits gives 124807984.

It is not an unprimeable number, because it can be changed into a prime (124807981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 357442 + ... + 357790.

It is an arithmetic number, because the mean of its divisors is an integer number (3610880).

Almost surely, 2^124807984 is an apocalyptic number.

124807984 is a gapful number since it is divisible by the number (14) 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 124807984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144435200).

124807984 is an abundant number, since it is smaller than the sum of its proper divisors (164062416).

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

124807984 is a wasteful number, since it uses less digits than its factorization.

124807984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 124807984 is about 11171.7493706223. The cubic root of 124807984 is about 499.7438474608.

The spelling of 124807984 in words is "one hundred twenty-four million, eight hundred seven thousand, nine hundred eighty-four".