124311042 has 12 divisors (see below), whose sum is σ = 269340630. Its totient is φ = 41437008.

The previous prime is 124311041. The next prime is 124311049. The reversal of 124311042 is 240113421.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 48986001 = 8679^2 + 6999^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6906169 = 124311042 / (1 + 2 + 4 + 3 + 1 + 1 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (124311041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3453067 + ... + 3453102.

Almost surely, 2^124311042 is an apocalyptic number.

124311042 is an abundant number, since it is smaller than the sum of its proper divisors (145029588).

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

124311042 is a wasteful number, since it uses less digits than its factorization.

124311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906177 (or 6906174 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 124311042 is about 11149.4861765016. The cubic root of 124311042 is about 499.0796964554.

Adding to 124311042 its reverse (240113421), we get a palindrome (364424463).

The spelling of 124311042 in words is "one hundred twenty-four million, three hundred eleven thousand, forty-two".