125984903 has 16 divisors (see below), whose sum is σ = 143544960. Its totient is φ = 109519200.

The previous prime is 125984897. The next prime is 125984917. The reversal of 125984903 is 309489521.

It is a cyclic number.

It is not a de Polignac number, because 125984903 - 2¹⁸ = 125722759 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 (125984303) 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, 32288 + ... + 35978.

It is an arithmetic number, because the mean of its divisors is an integer number (8971560).

Almost surely, 2^125984903 is an apocalyptic number.

125984903 is a deficient number, since it is larger than the sum of its proper divisors (17560057).

125984903 is a wasteful number, since it uses less digits than its factorization.

125984903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 125984903 is about 11224.2996663489. The cubic root of 125984903 is about 501.3097700092.

The spelling of 125984903 in words is "one hundred twenty-five million, nine hundred eighty-four thousand, nine hundred three".