122117706 has 32 divisors (see below), whose sum is σ = 274732800. Its totient is φ = 40704444.

The previous prime is 122117683. The next prime is 122117713. The reversal of 122117706 is 607711221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122117706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9586 + ... + 18333.

It is an arithmetic number, because the mean of its divisors is an integer number (8585400).

Almost surely, 2^122117706 is an apocalyptic number.

122117706 is an abundant number, since it is smaller than the sum of its proper divisors (152615094).

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

122117706 is an frugal number, since it uses more digits than its factorization.

122117706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27942 (or 27924 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 122117706 is about 11050.6880328783. The cubic root of 122117706 is about 496.1270188265.

Adding to 122117706 its reverse (607711221), we get a palindrome (729828927).

The spelling of 122117706 in words is "one hundred twenty-two million, one hundred seventeen thousand, seven hundred six".