125275567 has 4 divisors (see below), whose sum is σ = 132644736. Its totient is φ = 117906400.

The previous prime is 125275537. The next prime is 125275571. The reversal of 125275567 is 765572521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125275567 - 2⁷ = 125275439 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125275537) 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 3 ways as a sum of consecutive naturals, for example, 3684559 + ... + 3684592.

It is an arithmetic number, because the mean of its divisors is an integer number (33161184).

Almost surely, 2^125275567 is an apocalyptic number.

125275567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125275567 is a deficient number, since it is larger than the sum of its proper divisors (7369169).

125275567 is an equidigital number, since it uses as much as digits as its factorization.

125275567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369168.

The product of its digits is 147000, while the sum is 40.

The square root of 125275567 is about 11192.6568338353. The cubic root of 125275567 is about 500.3671529980.

The spelling of 125275567 in words is "one hundred twenty-five million, two hundred seventy-five thousand, five hundred sixty-seven".