125304721303 has 8 divisors (see below), whose sum is σ = 138444091488. Its totient is φ = 112806296064.

The previous prime is 125304721279. The next prime is 125304721319. The reversal of 125304721303 is 303127403521.

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

It is not a de Polignac number, because 125304721303 - 2²¹ = 125302624151 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 (125304751303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160235826 + ... + 160236607.

It is an arithmetic number, because the mean of its divisors is an integer number (17305511436).

Almost surely, 2^125304721303 is an apocalyptic number.

125304721303 is a deficient number, since it is larger than the sum of its proper divisors (13139370185).

125304721303 is a wasteful number, since it uses less digits than its factorization.

125304721303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320472473.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 125304721303 in words is "one hundred twenty-five billion, three hundred four million, seven hundred twenty-one thousand, three hundred three".