4125919 has 8 divisors (see below), whose sum is σ = 4727808. Its totient is φ = 3527160.

The previous prime is 4125899. The next prime is 4125941. The reversal of 4125919 is 9195214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4125919 - 2¹¹ = 4123871 is a prime.

It is a super-2 number, since 2×4125919² = 34046415189122, which contains 22 as substring.

It is a Duffinian number.

4125919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125419) 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 7 ways as a sum of consecutive naturals, for example, 4074 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 2^4125919 is an apocalyptic number.

4125919 is a deficient number, since it is larger than the sum of its proper divisors (601889).

4125919 is an equidigital number, since it uses as much as digits as its factorization.

4125919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 3240, while the sum is 31.

The square root of 4125919 is about 2031.2358307198. The cubic root of 4125919 is about 160.3886256116.

The spelling of 4125919 in words is "four million, one hundred twenty-five thousand, nine hundred nineteen".