122500219 has 2 divisors, whose sum is σ = 122500220. Its totient is φ = 122500218.

The previous prime is 122500211. The next prime is 122500247. The reversal of 122500219 is 912005221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122500219 - 2³ = 122500211 is a prime.

It is a super-2 number, since 2×122500219² = 30012607310095922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122500219.

It is not a weakly prime, because it can be changed into another prime (122500211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61250109 + 61250110.

It is an arithmetic number, because the mean of its divisors is an integer number (61250110).

Almost surely, 2^122500219 is an apocalyptic number.

122500219 is a deficient number, since it is larger than the sum of its proper divisors (1).

122500219 is an equidigital number, since it uses as much as digits as its factorization.

122500219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 122500219 is about 11067.9817039964. The cubic root of 122500219 is about 496.6444901489.

The spelling of 122500219 in words is "one hundred twenty-two million, five hundred thousand, two hundred nineteen".