125376805 has 4 divisors (see below), whose sum is σ = 150452172. Its totient is φ = 100301440.

The previous prime is 125376799. The next prime is 125376809. The reversal of 125376805 is 508673521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508673521 = 37 ⋅13747933.

It can be written as a sum of positive squares in 2 ways, for example, as 86825124 + 38551681 = 9318^2 + 6209^2 .

It is not a de Polignac number, because 125376805 - 2⁷ = 125376677 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 (125376809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12537676 + ... + 12537685.

It is an arithmetic number, because the mean of its divisors is an integer number (37613043).

Almost surely, 2^125376805 is an apocalyptic number.

It is an amenable number.

125376805 is a deficient number, since it is larger than the sum of its proper divisors (25075367).

125376805 is an equidigital number, since it uses as much as digits as its factorization.

125376805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25075366.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 125376805 is about 11197.1784392319. The cubic root of 125376805 is about 500.5019026855.

The spelling of 125376805 in words is "one hundred twenty-five million, three hundred seventy-six thousand, eight hundred five".