125530315 has 16 divisors (see below), whose sum is σ = 159296256. Its totient is φ = 94809600.

The previous prime is 125530313. The next prime is 125530331. The reversal of 125530315 is 513035521.

It is not a de Polignac number, because 125530315 - 2¹ = 125530313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125530315.

It is not an unprimeable number, because it can be changed into a prime (125530313) 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, 3522 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (9956016).

Almost surely, 2^125530315 is an apocalyptic number.

125530315 is a deficient number, since it is larger than the sum of its proper divisors (33765941).

125530315 is a wasteful number, since it uses less digits than its factorization.

125530315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125530315 is about 11204.0311941729. The cubic root of 125530315 is about 500.7060890737.

Adding to 125530315 its reverse (513035521), we get a palindrome (638565836).

The spelling of 125530315 in words is "one hundred twenty-five million, five hundred thirty thousand, three hundred fifteen".