124113312 has 36 divisors (see below), whose sum is σ = 352948050. Its totient is φ = 41371008.

The previous prime is 124113299. The next prime is 124113317. The reversal of 124113312 is 213311421.

It can be written as a sum of positive squares in only one way, i.e., 105760656 + 18352656 = 10284^2 + 4284^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×124113312² = 30808228431218688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (124113317) 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 5 ways as a sum of consecutive naturals, for example, 215187 + ... + 215762.

Almost surely, 2^124113312 is an apocalyptic number.

124113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124113312 is an abundant number, since it is smaller than the sum of its proper divisors (228834738).

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

124113312 is a wasteful number, since it uses less digits than its factorization.

124113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430965 (or 430954 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 124113312 is about 11140.6154228570. The cubic root of 124113312 is about 498.8149428313.

Adding to 124113312 its reverse (213311421), we get a palindrome (337424733).

The spelling of 124113312 in words is "one hundred twenty-four million, one hundred thirteen thousand, three hundred twelve".