125243406100 has 36 divisors (see below), whose sum is σ = 275052645504. Its totient is φ = 49493776480.

The previous prime is 125243406091. The next prime is 125243406131. The reversal of 125243406100 is 1604342521.

125243406100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7536484 + ... + 7553083.

It is an arithmetic number, because the mean of its divisors is an integer number (7640351264).

Almost surely, 2^125243406100 is an apocalyptic number.

125243406100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125243406100 is an abundant number, since it is smaller than the sum of its proper divisors (149809239404).

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

125243406100 is a wasteful number, since it uses less digits than its factorization.

125243406100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15089664 (or 15089657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 125243406100 its reverse (1604342521), we get a palindrome (126847748621).

The spelling of 125243406100 in words is "one hundred twenty-five billion, two hundred forty-three million, four hundred six thousand, one hundred".