125275805 has 16 divisors (see below), whose sum is σ = 164312064. Its totient is φ = 91280640.

The previous prime is 125275793. The next prime is 125275807. The reversal of 125275805 is 508572521.

It is not a de Polignac number, because 125275805 - 2⁶ = 125275741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125275807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21137 + ... + 26406.

It is an arithmetic number, because the mean of its divisors is an integer number (10269504).

Almost surely, 2^125275805 is an apocalyptic number.

It is an amenable number.

125275805 is a deficient number, since it is larger than the sum of its proper divisors (39036259).

125275805 is a wasteful number, since it uses less digits than its factorization.

125275805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47596.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 125275805 is about 11192.6674658010. The cubic root of 125275805 is about 500.3674698656.

The spelling of 125275805 in words is "one hundred twenty-five million, two hundred seventy-five thousand, eight hundred five".