125316015 has 16 divisors (see below), whose sum is σ = 218733696. Its totient is φ = 60759200.

The previous prime is 125315999. The next prime is 125316019. The reversal of 125316015 is 510613521.

It is not a de Polignac number, because 125316015 - 2⁴ = 125315999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125316019) 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, 379581 + ... + 379910.

It is an arithmetic number, because the mean of its divisors is an integer number (13670856).

Almost surely, 2^125316015 is an apocalyptic number.

125316015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125316015 is a deficient number, since it is larger than the sum of its proper divisors (93417681).

125316015 is a wasteful number, since it uses less digits than its factorization.

125316015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759510.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 125316015 is about 11194.4635869701. The cubic root of 125316015 is about 500.4209987539.

Adding to 125316015 its reverse (510613521), we get a palindrome (635929536).

The spelling of 125316015 in words is "one hundred twenty-five million, three hundred sixteen thousand, fifteen".