125331324100 has 18 divisors (see below), whose sum is σ = 271968973514. Its totient is φ = 50132529600.

The previous prime is 125331324091. The next prime is 125331324169. The reversal of 125331324100 is 1423133521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 138485824 + 125192838276 = 11768^2 + 353826^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626656521 + ... + 626656720.

Almost surely, 2^125331324100 is an apocalyptic number.

125331324100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125331324100 is an abundant number, since it is smaller than the sum of its proper divisors (146637649414).

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

125331324100 is a wasteful number, since it uses less digits than its factorization.

125331324100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253313255 (or 1253313248 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 125331324100 its reverse (1423133521), we get a palindrome (126754457621).

The spelling of 125331324100 in words is "one hundred twenty-five billion, three hundred thirty-one million, three hundred twenty-four thousand, one hundred".