122402106 has 12 divisors (see below), whose sum is σ = 265204602. Its totient is φ = 40800696.

The previous prime is 122402089. The next prime is 122402117. The reversal of 122402106 is 601204221.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 15093225 = 10359^2 + 3885^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6800117 = 122402106 / (1 + 2 + 2 + 4 + 0 + 2 + 1 + 0 + 6).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3400041 + ... + 3400076.

Almost surely, 2^122402106 is an apocalyptic number.

122402106 is an abundant number, since it is smaller than the sum of its proper divisors (142802496).

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

122402106 is a wasteful number, since it uses less digits than its factorization.

122402106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800125 (or 6800122 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122402106 is about 11063.5485265804. The cubic root of 122402106 is about 496.5118637314.

Adding to 122402106 its reverse (601204221), we get a palindrome (723606327).

The spelling of 122402106 in words is "one hundred twenty-two million, four hundred two thousand, one hundred six".