7125530101 has 2 divisors, whose sum is σ = 7125530102. Its totient is φ = 7125530100.

The previous prime is 7125530077. The next prime is 7125530107. The reversal of 7125530101 is 1010355217.

7125530101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5983022500 + 1142507601 = 77350^2 + 33801^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125530101 - 2²⁵ = 7091975669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7125530107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562765050 + 3562765051.

It is an arithmetic number, because the mean of its divisors is an integer number (3562765051).

Almost surely, 2^7125530101 is an apocalyptic number.

It is an amenable number.

7125530101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125530101 is an equidigital number, since it uses as much as digits as its factorization.

7125530101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 7125530101 is about 84412.8550695923. The cubic root of 7125530101 is about 1924.2982859590.

Adding to 7125530101 its reverse (1010355217), we get a palindrome (8135885318).

The spelling of 7125530101 in words is "seven billion, one hundred twenty-five million, five hundred thirty thousand, one hundred one".