122240205 has 32 divisors (see below), whose sum is σ = 228758400. Its totient is φ = 61762176.

The previous prime is 122240201. The next prime is 122240213. The reversal of 122240205 is 502042221.

It is not a de Polignac number, because 122240205 - 2² = 122240201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21264 + ... + 26393.

It is an arithmetic number, because the mean of its divisors is an integer number (7148700).

Almost surely, 2^122240205 is an apocalyptic number.

122240205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122240205 is a deficient number, since it is larger than the sum of its proper divisors (106518195).

122240205 is a wasteful number, since it uses less digits than its factorization.

122240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47690 (or 47684 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 122240205 is about 11056.2292396639. The cubic root of 122240205 is about 496.2928554208.

Adding to 122240205 its reverse (502042221), we get a palindrome (624282426).

The spelling of 122240205 in words is "one hundred twenty-two million, two hundred forty thousand, two hundred five".