125818875 has 96 divisors (see below), whose sum is σ = 279377280. Its totient is φ = 53049600.

The previous prime is 125818871. The next prime is 125818897. The reversal of 125818875 is 578818521.

It is not a de Polignac number, because 125818875 - 2² = 125818871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125818875.

It is not an unprimeable number, because it can be changed into a prime (125818871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101761 + ... + 102989.

It is an arithmetic number, because the mean of its divisors is an integer number (2910180).

Almost surely, 2^125818875 is an apocalyptic number.

125818875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125818875 is an abundant number, since it is smaller than the sum of its proper divisors (153558405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125818875 is a wasteful number, since it uses less digits than its factorization.

125818875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1257 counting only the distinct ones).

The product of its digits is 179200, while the sum is 45.

The square root of 125818875 is about 11216.9013100767. The cubic root of 125818875 is about 501.0894577727.

The spelling of 125818875 in words is "one hundred twenty-five million, eight hundred eighteen thousand, eight hundred seventy-five".