122130686 has 16 divisors (see below), whose sum is σ = 194258736. Its totient is φ = 57388416.

The previous prime is 122130661. The next prime is 122130719. The reversal of 122130686 is 686031221.

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, 24845 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (12141171).

Almost surely, 2^122130686 is an apocalyptic number.

122130686 is a deficient number, since it is larger than the sum of its proper divisors (72128050).

122130686 is a wasteful number, since it uses less digits than its factorization.

122130686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 122130686 is about 11051.2753110218. The cubic root of 122130686 is about 496.1445961317.

The spelling of 122130686 in words is "one hundred twenty-two million, one hundred thirty thousand, six hundred eighty-six".