4125399 has 4 divisors (see below), whose sum is σ = 5500536. Its totient is φ = 2750264.

The previous prime is 4125383. The next prime is 4125403. The reversal of 4125399 is 9935214.

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 4125399 - 2⁴ = 4125383 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125899) 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, 687564 + ... + 687569.

It is an arithmetic number, because the mean of its divisors is an integer number (1375134).

Almost surely, 2^4125399 is an apocalyptic number.

4125399 is a deficient number, since it is larger than the sum of its proper divisors (1375137).

4125399 is a wasteful number, since it uses less digits than its factorization.

4125399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375136.

The product of its digits is 9720, while the sum is 33.

The square root of 4125399 is about 2031.1078257936. The cubic root of 4125399 is about 160.3818872672.

The spelling of 4125399 in words is "four million, one hundred twenty-five thousand, three hundred ninety-nine".