125228219 has 2 divisors, whose sum is σ = 125228220. Its totient is φ = 125228218.

The previous prime is 125228203. The next prime is 125228237. The reversal of 125228219 is 912822521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125228219 - 2⁴ = 125228203 is a prime.

It is a super-2 number, since 2×125228219² = 31364213667823922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125228249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62614109 + 62614110.

It is an arithmetic number, because the mean of its divisors is an integer number (62614110).

Almost surely, 2^125228219 is an apocalyptic number.

125228219 is a deficient number, since it is larger than the sum of its proper divisors (1).

125228219 is an equidigital number, since it uses as much as digits as its factorization.

125228219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 125228219 is about 11190.5414971752. The cubic root of 125228219 is about 500.3041070004.

The spelling of 125228219 in words is "one hundred twenty-five million, two hundred twenty-eight thousand, two hundred nineteen".