124145012 has 36 divisors (see below), whose sum is σ = 231228900. Its totient is φ = 58309632.

The previous prime is 124145011. The next prime is 124145017. The reversal of 124145012 is 210541421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78393316 + 45751696 = 8854^2 + 6764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124145011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214868 + ... + 215444.

It is an arithmetic number, because the mean of its divisors is an integer number (6423025).

Almost surely, 2^124145012 is an apocalyptic number.

It is an amenable number.

124145012 is a deficient number, since it is larger than the sum of its proper divisors (107083888).

124145012 is a wasteful number, since it uses less digits than its factorization.

124145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 124145012 is about 11142.0380541443. The cubic root of 124145012 is about 498.8574069512.

Adding to 124145012 its reverse (210541421), we get a palindrome (334686433).

The spelling of 124145012 in words is "one hundred twenty-four million, one hundred forty-five thousand, twelve".