124143252042 has 32 divisors (see below), whose sum is σ = 249976018944. Its totient is φ = 41099598000.

The previous prime is 124143252007. The next prime is 124143252043. The reversal of 124143252042 is 240252341421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124143252043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7521523 + ... + 7538009.

It is an arithmetic number, because the mean of its divisors is an integer number (7811750592).

Almost surely, 2^124143252042 is an apocalyptic number.

124143252042 is an abundant number, since it is smaller than the sum of its proper divisors (125832766902).

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

124143252042 is a wasteful number, since it uses less digits than its factorization.

124143252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24954.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 124143252042 its reverse (240252341421), we get a palindrome (364395593463).

The spelling of 124143252042 in words is "one hundred twenty-four billion, one hundred forty-three million, two hundred fifty-two thousand, forty-two".