122431254042 has 16 divisors (see below), whose sum is σ = 245052486720. Its totient is φ = 40778754912.

The previous prime is 122431254037. The next prime is 122431254103. The reversal of 122431254042 is 240452134221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7907398 + ... + 7922865.

It is an arithmetic number, because the mean of its divisors is an integer number (15315780420).

Almost surely, 2^122431254042 is an apocalyptic number.

122431254042 is an abundant number, since it is smaller than the sum of its proper divisors (122621232678).

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

122431254042 is a wasteful number, since it uses less digits than its factorization.

122431254042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15831557.

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

Adding to 122431254042 its reverse (240452134221), we get a palindrome (362883388263).

The spelling of 122431254042 in words is "one hundred twenty-two billion, four hundred thirty-one million, two hundred fifty-four thousand, forty-two".