125345219 has 2 divisors, whose sum is σ = 125345220. Its totient is φ = 125345218.

The previous prime is 125345191. The next prime is 125345249. The reversal of 125345219 is 912543521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125345219 - 2¹² = 125341123 is a prime.

It is a super-2 number, since 2×125345219² = 31422847852315922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125345249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62672609 + 62672610.

It is an arithmetic number, because the mean of its divisors is an integer number (62672610).

Almost surely, 2^125345219 is an apocalyptic number.

125345219 is a deficient number, since it is larger than the sum of its proper divisors (1).

125345219 is an equidigital number, since it uses as much as digits as its factorization.

125345219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 125345219 is about 11195.7679057758. The cubic root of 125345219 is about 500.4598689115.

The spelling of 125345219 in words is "one hundred twenty-five million, three hundred forty-five thousand, two hundred nineteen".