126320125 has 16 divisors (see below), whose sum is σ = 160011072. Its totient is φ = 99541200.

The previous prime is 126320123. The next prime is 126320137. The reversal of 126320125 is 521023621.

It is not a de Polignac number, because 126320125 - 2¹ = 126320123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126320096 and 126320105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126320123) 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, 834 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (10000692).

Almost surely, 2^126320125 is an apocalyptic number.

It is an amenable number.

126320125 is a deficient number, since it is larger than the sum of its proper divisors (33690947).

126320125 is an equidigital number, since it uses as much as digits as its factorization.

126320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 126320125 is about 11239.2226154659. Note that the first 3 decimals coincide. The cubic root of 126320125 is about 501.7540063948.

Adding to 126320125 its reverse (521023621), we get a palindrome (647343746).

The spelling of 126320125 in words is "one hundred twenty-six million, three hundred twenty thousand, one hundred twenty-five".