125125104 has 80 divisors (see below), whose sum is σ = 349977600. Its totient is φ = 38293248.

The previous prime is 125125057. The next prime is 125125109. The reversal of 125125104 is 401521521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125125109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148717 + ... + 149555.

It is an arithmetic number, because the mean of its divisors is an integer number (4374720).

Almost surely, 2^125125104 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 125125104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174988800).

125125104 is an abundant number, since it is smaller than the sum of its proper divisors (224852496).

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

125125104 is a wasteful number, since it uses less digits than its factorization.

125125104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125125104 is about 11185.9333092952. The cubic root of 125125104 is about 500.1667497162.

Adding to 125125104 its reverse (401521521), we get a palindrome (526646625).

The spelling of 125125104 in words is "one hundred twenty-five million, one hundred twenty-five thousand, one hundred four".