4440122125 has 16 divisors (see below), whose sum is σ = 5543132400. Its totient is φ = 3550905600.

The previous prime is 4440122123. The next prime is 4440122131. The reversal of 4440122125 is 5212210444.

It can be written as a sum of positive squares in 8 ways, for example, as 840362121 + 3599760004 = 28989^2 + 59998^2 .

It is not a de Polignac number, because 4440122125 - 2¹ = 4440122123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4440122125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728089 + ... + 734161.

It is an arithmetic number, because the mean of its divisors is an integer number (346445775).

Almost surely, 2^4440122125 is an apocalyptic number.

It is an amenable number.

4440122125 is a deficient number, since it is larger than the sum of its proper divisors (1103010275).

4440122125 is an equidigital number, since it uses as much as digits as its factorization.

4440122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937 (or 11927 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4440122125 is about 66634.2413853418. The cubic root of 4440122125 is about 1643.6082221926.

Adding to 4440122125 its reverse (5212210444), we get a palindrome (9652332569).

The spelling of 4440122125 in words is "four billion, four hundred forty million, one hundred twenty-two thousand, one hundred twenty-five".