122406406 has 8 divisors (see below), whose sum is σ = 183913920. Its totient is φ = 61101768.

The previous prime is 122406373. The next prime is 122406407. The reversal of 122406406 is 604604221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122406407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49201 + ... + 51628.

It is an arithmetic number, because the mean of its divisors is an integer number (22989240).

Almost surely, 2^122406406 is an apocalyptic number.

122406406 is a deficient number, since it is larger than the sum of its proper divisors (61507514).

122406406 is a wasteful number, since it uses less digits than its factorization.

122406406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101438.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 122406406 is about 11063.7428567370. The cubic root of 122406406 is about 496.5176778362.

The spelling of 122406406 in words is "one hundred twenty-two million, four hundred six thousand, four hundred six".