125160805 has 16 divisors (see below), whose sum is σ = 187254144. Its totient is φ = 78022080.

The previous prime is 125160803. The next prime is 125160811. The reversal of 125160805 is 508061521.

It is not a de Polignac number, because 125160805 - 2¹ = 125160803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125160803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162162 + ... + 162931.

It is an arithmetic number, because the mean of its divisors is an integer number (11703384).

Almost surely, 2^125160805 is an apocalyptic number.

It is an amenable number.

125160805 is a deficient number, since it is larger than the sum of its proper divisors (62093339).

125160805 is a wasteful number, since it uses less digits than its factorization.

125160805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325116.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 125160805 is about 11187.5289943758. The cubic root of 125160805 is about 500.2143147919.

The spelling of 125160805 in words is "one hundred twenty-five million, one hundred sixty thousand, eight hundred five".