100525130120 has 32 divisors (see below), whose sum is σ = 226224434520. Its totient is φ = 40202426880.

The previous prime is 100525130107. The next prime is 100525130177. The reversal of 100525130120 is 21031525001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89667906916 + 10857223204 = 299446^2 + 104198^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100525130092 and 100525130101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22301 + ... + 448940.

Almost surely, 2^100525130120 is an apocalyptic number.

100525130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100525130120 is an abundant number, since it is smaller than the sum of its proper divisors (125699304400).

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

100525130120 is a wasteful number, since it uses less digits than its factorization.

100525130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476585 (or 476581 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 100525130120 its reverse (21031525001), we get a palindrome (121556655121).

The spelling of 100525130120 in words is "one hundred billion, five hundred twenty-five million, one hundred thirty thousand, one hundred twenty".