124555012 has 12 divisors (see below), whose sum is σ = 218056860. Its totient is φ = 62253056.

The previous prime is 124555003. The next prime is 124555019. The reversal of 124555012 is 210555421.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 114404416 = 3186^2 + 10696^2 .

It is not an unprimeable number, because it can be changed into a prime (124555019) 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 3 ways as a sum of consecutive naturals, for example, 10164 + ... + 18772.

It is an arithmetic number, because the mean of its divisors is an integer number (18171405).

Almost surely, 2^124555012 is an apocalyptic number.

It is an amenable number.

124555012 is a deficient number, since it is larger than the sum of its proper divisors (93501848).

124555012 is a wasteful number, since it uses less digits than its factorization.

124555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230 (or 12228 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 124555012 is about 11160.4216766214. The cubic root of 124555012 is about 499.4059772200.

The spelling of 124555012 in words is "one hundred twenty-four million, five hundred fifty-five thousand, twelve".