122500205 has 32 divisors (see below), whose sum is σ = 157282560. Its totient is φ = 91445760.

The previous prime is 122500199. The next prime is 122500211. The reversal of 122500205 is 502005221.

It is an interprime number because it is at equal distance from previous prime (122500199) and next prime (122500211).

It is not a de Polignac number, because 122500205 - 2²⁶ = 55391341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751454 + ... + 751616.

It is an arithmetic number, because the mean of its divisors is an integer number (4915080).

Almost surely, 2^122500205 is an apocalyptic number.

It is an amenable number.

122500205 is a deficient number, since it is larger than the sum of its proper divisors (34782355).

122500205 is a wasteful number, since it uses less digits than its factorization.

122500205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 122500205 is about 11067.9810715415. The cubic root of 122500205 is about 496.6444712291.

Adding to 122500205 its reverse (502005221), we get a palindrome (624505426).

The spelling of 122500205 in words is "one hundred twenty-two million, five hundred thousand, two hundred five".