122948155686 has 16 divisors (see below), whose sum is σ = 245899749744. Its totient is φ = 40982145504.

The previous prime is 122948155669. The next prime is 122948155711. The reversal of 122948155686 is 686551849221.

122948155686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750336 + ... + 899388.

It is an arithmetic number, because the mean of its divisors is an integer number (15368734359).

Almost surely, 2^122948155686 is an apocalyptic number.

122948155686 is an abundant number, since it is smaller than the sum of its proper divisors (122951594058).

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

122948155686 is a wasteful number, since it uses less digits than its factorization.

122948155686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286535.

The product of its digits is 8294400, while the sum is 57.

The spelling of 122948155686 in words is "one hundred twenty-two billion, nine hundred forty-eight million, one hundred fifty-five thousand, six hundred eighty-six".