5125204730121 has 16 divisors (see below), whose sum is σ = 7846849225728. Its totient is φ = 2914808374800.

The previous prime is 5125204730119. The next prime is 5125204730123. The reversal of 5125204730121 is 1210374025215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5125204730119) and next prime (5125204730123).

It is not a de Polignac number, because 5125204730121 - 2¹ = 5125204730119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5125204730123) 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, 578330565 + ... + 578339426.

It is an arithmetic number, because the mean of its divisors is an integer number (490428076608).

Almost surely, 2^{5125204730121} is an apocalyptic number.

It is an amenable number.

5125204730121 is a deficient number, since it is larger than the sum of its proper divisors (2721644495607).

5125204730121 is a wasteful number, since it uses less digits than its factorization.

5125204730121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156670212.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 5125204730121 its reverse (1210374025215), we get a palindrome (6335578755336).

The spelling of 5125204730121 in words is "five trillion, one hundred twenty-five billion, two hundred four million, seven hundred thirty thousand, one hundred twenty-one".