126775825 has 48 divisors (see below), whose sum is σ = 179131392. Its totient is φ = 88200000.

The previous prime is 126775823. The next prime is 126775853. The reversal of 126775825 is 528577621.

It is not a de Polignac number, because 126775825 - 2¹ = 126775823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (126775823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839500 + ... + 839650.

It is an arithmetic number, because the mean of its divisors is an integer number (3731904).

Almost surely, 2^126775825 is an apocalyptic number.

It is an amenable number.

126775825 is a deficient number, since it is larger than the sum of its proper divisors (52355567).

126775825 is a wasteful number, since it uses less digits than its factorization.

126775825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 126775825 is about 11259.4771192982. The cubic root of 126775825 is about 502.3566416955.

The spelling of 126775825 in words is "one hundred twenty-six million, seven hundred seventy-five thousand, eight hundred twenty-five".