125416219 has 4 divisors (see below), whose sum is σ = 126825480. Its totient is φ = 124006960.

The previous prime is 125416189. The next prime is 125416229. The reversal of 125416219 is 912614521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125416219 - 2⁹ = 125415707 is a prime.

It is a super-2 number, since 2×125416219² = 31458455976511922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125416229) 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 in 3 ways as a sum of consecutive naturals, for example, 704497 + ... + 704674.

It is an arithmetic number, because the mean of its divisors is an integer number (31706370).

Almost surely, 2^125416219 is an apocalyptic number.

125416219 is a deficient number, since it is larger than the sum of its proper divisors (1409261).

125416219 is an equidigital number, since it uses as much as digits as its factorization.

125416219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409260.

The product of its digits is 4320, while the sum is 31.

The square root of 125416219 is about 11198.9382978923. The cubic root of 125416219 is about 500.5543438453.

The spelling of 125416219 in words is "one hundred twenty-five million, four hundred sixteen thousand, two hundred nineteen".