125135065 has 32 divisors (see below), whose sum is σ = 176504832. Its totient is φ = 84216000.

The previous prime is 125135053. The next prime is 125135071. The reversal of 125135065 is 560531521.

It is not a de Polignac number, because 125135065 - 2⁹ = 125134553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37620 + ... + 40810.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2^125135065 is an apocalyptic number.

It is an amenable number.

125135065 is a deficient number, since it is larger than the sum of its proper divisors (51369767).

125135065 is a wasteful number, since it uses less digits than its factorization.

125135065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 125135065 is about 11186.3785471438. The cubic root of 125135065 is about 500.1800218432.

Adding to 125135065 its reverse (560531521), we get a palindrome (685666586).

It can be divided in two parts, 12513 and 5065, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 125135065 in words is "one hundred twenty-five million, one hundred thirty-five thousand, sixty-five".