125136873 has 8 divisors (see below), whose sum is σ = 185388000. Its totient is φ = 83424564.

The previous prime is 125136857. The next prime is 125136899. The reversal of 125136873 is 378631521.

125136873 is a `hidden beast` number, since 12 + 513 + 68 + 73 = 666.

It is not a de Polignac number, because 125136873 - 2⁴ = 125136857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125132873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317323 + ... + 2317376.

It is an arithmetic number, because the mean of its divisors is an integer number (23173500).

Almost surely, 2^125136873 is an apocalyptic number.

It is an amenable number.

125136873 is a deficient number, since it is larger than the sum of its proper divisors (60251127).

125136873 is an equidigital number, since it uses as much as digits as its factorization.

125136873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634708 (or 4634702 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 125136873 is about 11186.4593594220. The cubic root of 125136873 is about 500.1824307633.

The spelling of 125136873 in words is "one hundred twenty-five million, one hundred thirty-six thousand, eight hundred seventy-three".