7125530100 has 288 divisors, whose sum is σ = 23550576000. Its totient is φ = 1658741760.

The previous prime is 7125530077. The next prime is 7125530101. The reversal of 7125530100 is 10355217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125530101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12522616 + ... + 12523184.

Almost surely, 2^7125530100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125530100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11775288000).

7125530100 is an abundant number, since it is smaller than the sum of its proper divisors (16425045900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7125530100 is a wasteful number, since it uses less digits than its factorization.

7125530100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 7125530100 is about 84412.8550636691. The cubic root of 7125530100 is about 1924.2982858690.

Adding to 7125530100 its reverse (10355217), we get a palindrome (7135885317).

The spelling of 7125530100 in words is "seven billion, one hundred twenty-five million, five hundred thirty thousand, one hundred".