125219 has 2 divisors, whose sum is σ = 125220. Its totient is φ = 125218.
The previous prime is 125207. The next prime is 125221. The reversal of 125219 is 912521.
It is a strong prime.
It is an emirp because it is prime and its reverse (912521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 125219 - 212 = 121123 is a prime.
It is a super-2 number, since 2×1252192 = 31359595922, which contains 22 as substring.
Together with 125221, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 125219.
It is not a weakly prime, because it can be changed into another prime (125269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62609 + 62610.
It is an arithmetic number, because the mean of its divisors is an integer number (62610).
2125219 is an apocalyptic number.
125219 is a deficient number, since it is larger than the sum of its proper divisors (1).
125219 is an equidigital number, since it uses as much as digits as its factorization.
125219 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 180, while the sum is 20.
The square root of 125219 is about 353.8629678279. The cubic root of 125219 is about 50.0291829638.
The spelling of 125219 in words is "one hundred twenty-five thousand, two hundred nineteen".
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