122420845738 has 8 divisors (see below), whose sum is σ = 183952866240. Its totient is φ = 61103223660.

The previous prime is 122420845727. The next prime is 122420845739. The reversal of 122420845738 is 837548024221.

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 (122420845739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53598178 + ... + 53600461.

It is an arithmetic number, because the mean of its divisors is an integer number (22994108280).

Almost surely, 2^122420845738 is an apocalyptic number.

122420845738 is a deficient number, since it is larger than the sum of its proper divisors (61532020502).

122420845738 is a wasteful number, since it uses less digits than its factorization.

122420845738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107199212.

The product of its (nonzero) digits is 860160, while the sum is 46.

Adding to 122420845738 its reverse (837548024221), we get a palindrome (959968869959).

The spelling of 122420845738 in words is "one hundred twenty-two billion, four hundred twenty million, eight hundred forty-five thousand, seven hundred thirty-eight".