127625320221 has 8 divisors (see below), whose sum is σ = 194476678464. Its totient is φ = 72928754400.

The previous prime is 127625320189. The next prime is 127625320231. The reversal of 127625320221 is 122023526721.

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

It is not a de Polignac number, because 127625320221 - 2⁵ = 127625320189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127625320231) 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, 3038698080 + ... + 3038698121.

It is an arithmetic number, because the mean of its divisors is an integer number (24309584808).

Almost surely, 2^127625320221 is an apocalyptic number.

It is an amenable number.

127625320221 is a deficient number, since it is larger than the sum of its proper divisors (66851358243).

127625320221 is an equidigital number, since it uses as much as digits as its factorization.

127625320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077396211.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 127625320221 its reverse (122023526721), we get a palindrome (249648846942).

The spelling of 127625320221 in words is "one hundred twenty-seven billion, six hundred twenty-five million, three hundred twenty thousand, two hundred twenty-one".