122105684 has 6 divisors (see below), whose sum is σ = 213684954. Its totient is φ = 61052840.

The previous prime is 122105663. The next prime is 122105701. The reversal of 122105684 is 486501221.

It can be written as a sum of positive squares in only one way, i.e., 65254084 + 56851600 = 8078^2 + 7540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263207 + ... + 15263214.

It is an arithmetic number, because the mean of its divisors is an integer number (35614159).

Almost surely, 2^122105684 is an apocalyptic number.

It is an amenable number.

122105684 is a deficient number, since it is larger than the sum of its proper divisors (91579270).

122105684 is a wasteful number, since it uses less digits than its factorization.

122105684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30526425 (or 30526423 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 122105684 is about 11050.1440714590. The cubic root of 122105684 is about 496.1107377183.

The spelling of 122105684 in words is "one hundred twenty-two million, one hundred five thousand, six hundred eighty-four".