124123312 has 10 divisors (see below), whose sum is σ = 240488948. Its totient is φ = 62061648.

The previous prime is 124123301. The next prime is 124123313. The reversal of 124123312 is 213321421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124123312.

It is not an unprimeable number, because it can be changed into a prime (124123313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878838 + ... + 3878869.

Almost surely, 2^124123312 is an apocalyptic number.

It is an amenable number.

124123312 is a deficient number, since it is larger than the sum of its proper divisors (116365636).

124123312 is an equidigital number, since it uses as much as digits as its factorization.

124123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757715 (or 7757709 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 124123312 is about 11141.0642220571. The cubic root of 124123312 is about 498.8283392334.

Adding to 124123312 its reverse (213321421), we get a palindrome (337444733).

The spelling of 124123312 in words is "one hundred twenty-four million, one hundred twenty-three thousand, three hundred twelve".