125515006 has 4 divisors (see below), whose sum is σ = 188272512. Its totient is φ = 62757502.

The previous prime is 125514943. The next prime is 125515021. The reversal of 125515006 is 600515521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600515521 = 22727 ⋅26423.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31378750 + ... + 31378753.

It is an arithmetic number, because the mean of its divisors is an integer number (47068128).

Almost surely, 2^125515006 is an apocalyptic number.

125515006 is a deficient number, since it is larger than the sum of its proper divisors (62757506).

125515006 is an equidigital number, since it uses as much as digits as its factorization.

125515006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62757505.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 125515006 is about 11203.3479817419. The cubic root of 125515006 is about 500.6857337751.

It can be divided in two parts, 1255 and 15006, that added together give a palindrome (16261).

The spelling of 125515006 in words is "one hundred twenty-five million, five hundred fifteen thousand, six".