125300335021 has 16 divisors (see below), whose sum is σ = 132437680128. Its totient is φ = 118389625200.

The previous prime is 125300335009. The next prime is 125300335051. The reversal of 125300335021 is 120533003521.

It is a cyclic number.

It is not a de Polignac number, because 125300335021 - 2¹⁹ = 125299810733 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 (125300335051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49651 + ... + 503056.

It is an arithmetic number, because the mean of its divisors is an integer number (8277355008).

Almost surely, 2^125300335021 is an apocalyptic number.

It is an amenable number.

125300335021 is a deficient number, since it is larger than the sum of its proper divisors (7137345107).

125300335021 is a wasteful number, since it uses less digits than its factorization.

125300335021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552912.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 125300335021 its reverse (120533003521), we get a palindrome (245833338542).

The spelling of 125300335021 in words is "one hundred twenty-five billion, three hundred million, three hundred thirty-five thousand, twenty-one".