125818275 has 48 divisors (see below), whose sum is σ = 240306048. Its totient is φ = 57408000.

The previous prime is 125818271. The next prime is 125818279. The reversal of 125818275 is 572818521.

It is an interprime number because it is at equal distance from previous prime (125818271) and next prime (125818279).

It is not a de Polignac number, because 125818275 - 2² = 125818271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125818271) 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 47 ways as a sum of consecutive naturals, for example, 9540 + ... + 18510.

It is an arithmetic number, because the mean of its divisors is an integer number (5006376).

Almost surely, 2^125818275 is an apocalyptic number.

125818275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125818275 is a deficient number, since it is larger than the sum of its proper divisors (114487773).

125818275 is a wasteful number, since it uses less digits than its factorization.

125818275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012 (or 9007 counting only the distinct ones).

The product of its digits is 44800, while the sum is 39.

The square root of 125818275 is about 11216.8745646905. The cubic root of 125818275 is about 501.0886612464.

The spelling of 125818275 in words is "one hundred twenty-five million, eight hundred eighteen thousand, two hundred seventy-five".