4125945 has 32 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 2013120.

The previous prime is 4125941. The next prime is 4125967. The reversal of 4125945 is 5495214.

It is not a de Polignac number, because 4125945 - 2² = 4125941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4125941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8602 + ... + 9068.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

Almost surely, 2^4125945 is an apocalyptic number.

It is an amenable number.

4125945 is a deficient number, since it is larger than the sum of its proper divisors (3062535).

4125945 is a wasteful number, since it uses less digits than its factorization.

4125945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 7200, while the sum is 30.

The square root of 4125945 is about 2031.2422307544. The cubic root of 4125945 is about 160.3889625139.

The spelling of 4125945 in words is "four million, one hundred twenty-five thousand, nine hundred forty-five".