124231144442 has 4 divisors (see below), whose sum is σ = 186346716666. Its totient is φ = 62115572220.

The previous prime is 124231144423. The next prime is 124231144483. The reversal of 124231144442 is 244441132421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87313749121 + 36917395321 = 295489^2 + 192139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124231144399 and 124231144408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31057786109 + ... + 31057786112.

Almost surely, 2^124231144442 is an apocalyptic number.

124231144442 is a deficient number, since it is larger than the sum of its proper divisors (62115572224).

124231144442 is an equidigital number, since it uses as much as digits as its factorization.

124231144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62115572223.

The product of its digits is 24576, while the sum is 32.

Adding to 124231144442 its reverse (244441132421), we get a palindrome (368672276863).

The spelling of 124231144442 in words is "one hundred twenty-four billion, two hundred thirty-one million, one hundred forty-four thousand, four hundred forty-two".