4125239 has 4 divisors (see below), whose sum is σ = 4171680. Its totient is φ = 4078800.

The previous prime is 4125229. The next prime is 4125259. The reversal of 4125239 is 9325214.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125229) 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, 23087 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (1042920).

Almost surely, 2^4125239 is an apocalyptic number.

4125239 is a deficient number, since it is larger than the sum of its proper divisors (46441).

4125239 is an equidigital number, since it uses as much as digits as its factorization.

4125239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46440.

The product of its digits is 2160, while the sum is 26.

The square root of 4125239 is about 2031.0684380394. The cubic root of 4125239 is about 160.3798138166.

The spelling of 4125239 in words is "four million, one hundred twenty-five thousand, two hundred thirty-nine".