125835603 has 16 divisors (see below), whose sum is σ = 173721600. Its totient is φ = 80936640.

The previous prime is 125835583. The next prime is 125835607. The reversal of 125835603 is 306538521.

It is not a de Polignac number, because 125835603 - 2⁶ = 125835539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125835607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31503 + ... + 35271.

It is an arithmetic number, because the mean of its divisors is an integer number (10857600).

Almost surely, 2^125835603 is an apocalyptic number.

125835603 is a deficient number, since it is larger than the sum of its proper divisors (47885997).

125835603 is a wasteful number, since it uses less digits than its factorization.

125835603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 125835603 is about 11217.6469457725. The cubic root of 125835603 is about 501.1116639083. Note that the first 3 decimals are identical.

The spelling of 125835603 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, six hundred three".