126299125 has 16 divisors (see below), whose sum is σ = 159792048. Its totient is φ = 99648000.

The previous prime is 126299123. The next prime is 126299149. The reversal of 126299125 is 521992621.

It can be written as a sum of positive squares in 8 ways, for example, as 48135844 + 78163281 = 6938^2 + 8841^2 .

It is not a de Polignac number, because 126299125 - 2¹ = 126299123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126299123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205 + ... + 16045.

It is an arithmetic number, because the mean of its divisors is an integer number (9987003).

Almost surely, 2^126299125 is an apocalyptic number.

It is an amenable number.

126299125 is a deficient number, since it is larger than the sum of its proper divisors (33492923).

126299125 is an equidigital number, since it uses as much as digits as its factorization.

126299125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929 (or 13919 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 126299125 is about 11238.2883483207. The cubic root of 126299125 is about 501.7262002737.

The spelling of 126299125 in words is "one hundred twenty-six million, two hundred ninety-nine thousand, one hundred twenty-five".