124809456 has 40 divisors (see below), whose sum is σ = 323213440. Its totient is φ = 41501376.

The previous prime is 124809449. The next prime is 124809457. The reversal of 124809456 is 654908421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124809457) 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 7 ways as a sum of consecutive naturals, for example, 18111 + ... + 24033.

It is an arithmetic number, because the mean of its divisors is an integer number (8080336).

Almost surely, 2^124809456 is an apocalyptic number.

124809456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

124809456 is an abundant number, since it is smaller than the sum of its proper divisors (198403984).

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

124809456 is a wasteful number, since it uses less digits than its factorization.

124809456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 124809456 is about 11171.8152508892. The cubic root of 124809456 is about 499.7458121323.

The spelling of 124809456 in words is "one hundred twenty-four million, eight hundred nine thousand, four hundred fifty-six".