125210419 has 2 divisors, whose sum is σ = 125210420. Its totient is φ = 125210418.

The previous prime is 125210411. The next prime is 125210431. The reversal of 125210419 is 914012521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (914012521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125210419 - 2³ = 125210411 is a prime.

It is a super-2 number, since 2×125210419² = 31355298052311122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125210393 and 125210402.

It is not a weakly prime, because it can be changed into another prime (125210411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62605209 + 62605210.

It is an arithmetic number, because the mean of its divisors is an integer number (62605210).

Almost surely, 2^125210419 is an apocalyptic number.

125210419 is a deficient number, since it is larger than the sum of its proper divisors (1).

125210419 is an equidigital number, since it uses as much as digits as its factorization.

125210419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 125210419 is about 11189.7461544040. The cubic root of 125210419 is about 500.2804013874.

The spelling of 125210419 in words is "one hundred twenty-five million, two hundred ten thousand, four hundred nineteen".