125444530335221 has 8 divisors (see below), whose sum is σ = 126667637765760. Its totient is φ = 124221522892752.

The previous prime is 125444530335197. The next prime is 125444530335239. The reversal of 125444530335221 is 122533035444521.

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 125444530335221 - 2¹⁰ = 125444530334197 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 (125444530332221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22474361 + ... + 27495198.

It is an arithmetic number, because the mean of its divisors is an integer number (15833454720720).

Almost surely, 2^{125444530335221} is an apocalyptic number.

It is an amenable number.

125444530335221 is a deficient number, since it is larger than the sum of its proper divisors (1223107430539).

125444530335221 is a wasteful number, since it uses less digits than its factorization.

125444530335221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49994035.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 125444530335221 its reverse (122533035444521), we get a palindrome (247977565779742).

The spelling of 125444530335221 in words is "one hundred twenty-five trillion, four hundred forty-four billion, five hundred thirty million, three hundred thirty-five thousand, two hundred twenty-one".