122145521474 has 8 divisors (see below), whose sum is σ = 183219935808. Its totient is φ = 61072209540.

The previous prime is 122145521467. The next prime is 122145521497. The reversal of 122145521474 is 474125541221.

122145521474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108419 + ... + 506009.

It is an arithmetic number, because the mean of its divisors is an integer number (22902491976).

Almost surely, 2^122145521474 is an apocalyptic number.

122145521474 is a deficient number, since it is larger than the sum of its proper divisors (61074414334).

122145521474 is a wasteful number, since it uses less digits than its factorization.

122145521474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551200.

The product of its digits is 89600, while the sum is 38.

The spelling of 122145521474 in words is "one hundred twenty-two billion, one hundred forty-five million, five hundred twenty-one thousand, four hundred seventy-four".