4125019 has 4 divisors (see below), whose sum is σ = 4236544. Its totient is φ = 4013496.

The previous prime is 4125013. The next prime is 4125053. The reversal of 4125019 is 9105214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9105214 = 2 ⋅4552607.

It is a cyclic number.

It is not a de Polignac number, because 4125019 - 2⁹ = 4124507 is a prime.

It is a super-2 number, since 2×4125019² = 34031563500722, which contains 22 as substring.

It is a Duffinian number.

4125019 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4125013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55707 + ... + 55780.

It is an arithmetic number, because the mean of its divisors is an integer number (1059136).

Almost surely, 2^4125019 is an apocalyptic number.

4125019 is a deficient number, since it is larger than the sum of its proper divisors (111525).

4125019 is a wasteful number, since it uses less digits than its factorization.

4125019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111524.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 4125019 is about 2031.0142786303. The cubic root of 4125019 is about 160.3769627344.

The spelling of 4125019 in words is "four million, one hundred twenty-five thousand, nineteen".