4125406 has 4 divisors (see below), whose sum is σ = 6188112. Its totient is φ = 2062702.

The previous prime is 4125403. The next prime is 4125419. The reversal of 4125406 is 6045214.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031350 + ... + 1031353.

It is an arithmetic number, because the mean of its divisors is an integer number (1547028).

Almost surely, 2^4125406 is an apocalyptic number.

4125406 is a deficient number, since it is larger than the sum of its proper divisors (2062706).

4125406 is a wasteful number, since it uses less digits than its factorization.

4125406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062705.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4125406 is about 2031.1095489904. The cubic root of 4125406 is about 160.3819779795.

The spelling of 4125406 in words is "four million, one hundred twenty-five thousand, four hundred six".