125516603 has 8 divisors (see below), whose sum is σ = 132426000. Its totient is φ = 118637568.

The previous prime is 125516597. The next prime is 125516623. The reversal of 125516603 is 306615521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125516603 - 2²⁴ = 108739387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125516623) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (16553250).

Almost surely, 2^125516603 is an apocalyptic number.

125516603 is a deficient number, since it is larger than the sum of its proper divisors (6909397).

125516603 is a wasteful number, since it uses less digits than its factorization.

125516603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 125516603 is about 11203.4192548525. The cubic root of 125516603 is about 500.6878572708.

The spelling of 125516603 in words is "one hundred twenty-five million, five hundred sixteen thousand, six hundred three".