126437125 has 16 divisors (see below), whose sum is σ = 158137200. Its totient is φ = 100929600.

The previous prime is 126437123. The next prime is 126437131. The reversal of 126437125 is 521734621.

It can be written as a sum of positive squares in 8 ways, for example, as 68707521 + 57729604 = 8289^2 + 7598^2 .

It is not a de Polignac number, because 126437125 - 2¹ = 126437123 is a prime.

It is a super-3 number, since 3×126437125³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126437123) 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, 80851 + ... + 82399.

It is an arithmetic number, because the mean of its divisors is an integer number (9883575).

Almost surely, 2^126437125 is an apocalyptic number.

It is an amenable number.

126437125 is a deficient number, since it is larger than the sum of its proper divisors (31700075).

126437125 is an equidigital number, since it uses as much as digits as its factorization.

126437125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2207 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 126437125 is about 11244.4263971089. The cubic root of 126437125 is about 501.9088698246.

The spelling of 126437125 in words is "one hundred twenty-six million, four hundred thirty-seven thousand, one hundred twenty-five".