124023111442 has 8 divisors (see below), whose sum is σ = 187008671232. Its totient is φ = 61686887700.

The previous prime is 124023111389. The next prime is 124023111449. The reversal of 124023111442 is 244111320421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (124023111449) 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 3 ways as a sum of consecutive naturals, for example, 162333534 + ... + 162334297.

It is an arithmetic number, because the mean of its divisors is an integer number (23376083904).

Almost surely, 2^124023111442 is an apocalyptic number.

124023111442 is a deficient number, since it is larger than the sum of its proper divisors (62985559790).

124023111442 is a wasteful number, since it uses less digits than its factorization.

124023111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324668024.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 124023111442 its reverse (244111320421), we get a palindrome (368134431863).

The spelling of 124023111442 in words is "one hundred twenty-four billion, twenty-three million, one hundred eleven thousand, four hundred forty-two".