126775125 has 80 divisors (see below), whose sum is σ = 249163200. Its totient is φ = 63957600.

The previous prime is 126775123. The next prime is 126775147. The reversal of 126775125 is 521577621.

It is not a de Polignac number, because 126775125 - 2¹ = 126775123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126775125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126775123) 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 79 ways as a sum of consecutive naturals, for example, 192046 + ... + 192704.

It is an arithmetic number, because the mean of its divisors is an integer number (3114540).

Almost surely, 2^126775125 is an apocalyptic number.

126775125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126775125 is a deficient number, since it is larger than the sum of its proper divisors (122388075).

126775125 is an equidigital number, since it uses as much as digits as its factorization.

126775125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 686 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 126775125 is about 11259.4460343305. The cubic root of 126775125 is about 502.3557170968.

The spelling of 126775125 in words is "one hundred twenty-six million, seven hundred seventy-five thousand, one hundred twenty-five".