4564125121 has 4 divisors (see below), whose sum is σ = 4687479892. Its totient is φ = 4440770352.

The previous prime is 4564125101. The next prime is 4564125131. The reversal of 4564125121 is 1215214654.

It is a happy number.

4564125121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4265526721 + 298598400 = 65311^2 + 17280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4564125121 - 2⁷ = 4564124993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4564125101) 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, 61677330 + ... + 61677403.

It is an arithmetic number, because the mean of its divisors is an integer number (1171869973).

Almost surely, 2^4564125121 is an apocalyptic number.

It is an amenable number.

4564125121 is a deficient number, since it is larger than the sum of its proper divisors (123354771).

4564125121 is a wasteful number, since it uses less digits than its factorization.

4564125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123354770.

The product of its digits is 9600, while the sum is 31.

The square root of 4564125121 is about 67558.3090448540. The cubic root of 4564125121 is about 1658.7687585775.

Adding to 4564125121 its reverse (1215214654), we get a palindrome (5779339775).

The spelling of 4564125121 in words is "four billion, five hundred sixty-four million, one hundred twenty-five thousand, one hundred twenty-one".