122605478078 has 8 divisors (see below), whose sum is σ = 184282777080. Its totient is φ = 61177885720.

The previous prime is 122605478003. The next prime is 122605478087. The reversal of 122605478078 is 870874506221.

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

It is a congruent number.

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, 62425433 + ... + 62427396.

It is an arithmetic number, because the mean of its divisors is an integer number (23035347135).

Almost surely, 2^122605478078 is an apocalyptic number.

122605478078 is a deficient number, since it is larger than the sum of its proper divisors (61677299002).

122605478078 is a wasteful number, since it uses less digits than its factorization.

122605478078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124853322.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 122605478078 in words is "one hundred twenty-two billion, six hundred five million, four hundred seventy-eight thousand, seventy-eight".