122600217 has 8 divisors (see below), whose sum is σ = 172070560. Its totient is φ = 77431680.

The previous prime is 122600207. The next prime is 122600221. The reversal of 122600217 is 712006221.

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

It is not a de Polignac number, because 122600217 - 2⁷ = 122600089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122600193 and 122600202.

It is not an unprimeable number, because it can be changed into a prime (122600207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075384 + ... + 1075497.

It is an arithmetic number, because the mean of its divisors is an integer number (21508820).

Almost surely, 2^122600217 is an apocalyptic number.

It is an amenable number.

122600217 is a deficient number, since it is larger than the sum of its proper divisors (49470343).

122600217 is a wasteful number, since it uses less digits than its factorization.

122600217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150903.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 122600217 is about 11072.4982275907. The cubic root of 122600217 is about 496.7795918074.

Adding to 122600217 its reverse (712006221), we get a palindrome (834606438).

The spelling of 122600217 in words is "one hundred twenty-two million, six hundred thousand, two hundred seventeen".