122417406 has 20 divisors (see below), whose sum is σ = 274306032. Its totient is φ = 40805748.

The previous prime is 122417377. The next prime is 122417429. The reversal of 122417406 is 604714221.

122417406 is a `hidden beast` number, since 12 + 241 + 7 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122417406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 377670 + ... + 377993.

Almost surely, 2^122417406 is an apocalyptic number.

122417406 is an abundant number, since it is smaller than the sum of its proper divisors (151888626).

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

122417406 is an equidigital number, since it uses as much as digits as its factorization.

122417406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755677 (or 755668 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 122417406 is about 11064.2399648598. The cubic root of 122417406 is about 496.5325505079.

The spelling of 122417406 in words is "one hundred twenty-two million, four hundred seventeen thousand, four hundred six".