125013415 has 4 divisors (see below), whose sum is σ = 150016104. Its totient is φ = 100010728.

The previous prime is 125013401. The next prime is 125013419. The reversal of 125013415 is 514310521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125013415 - 2¹⁷ = 124882343 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 (125013419) 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 3 ways as a sum of consecutive naturals, for example, 12501337 + ... + 12501346.

It is an arithmetic number, because the mean of its divisors is an integer number (37504026).

Almost surely, 2^125013415 is an apocalyptic number.

125013415 is a deficient number, since it is larger than the sum of its proper divisors (25002689).

125013415 is an equidigital number, since it uses as much as digits as its factorization.

125013415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002688.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125013415 is about 11180.9398084419. The cubic root of 125013415 is about 500.0178860268.

Adding to 125013415 its reverse (514310521), we get a palindrome (639323936).

The spelling of 125013415 in words is "one hundred twenty-five million, thirteen thousand, four hundred fifteen".