273125126221 has 8 divisors (see below), whose sum is σ = 273818919488. Its totient is φ = 272432160000.

The previous prime is 273125126213. The next prime is 273125126231. The reversal of 273125126221 is 122621521372.

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 273125126221 - 2³ = 273125126213 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 (273125126231) 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, 457261 + ... + 869101.

It is an arithmetic number, because the mean of its divisors is an integer number (34227364936).

Almost surely, 2^273125126221 is an apocalyptic number.

It is an amenable number.

273125126221 is a deficient number, since it is larger than the sum of its proper divisors (693793267).

273125126221 is a wasteful number, since it uses less digits than its factorization.

273125126221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413523.

The product of its digits is 20160, while the sum is 34.

Adding to 273125126221 its reverse (122621521372), we get a palindrome (395746647593).

The spelling of 273125126221 in words is "two hundred seventy-three billion, one hundred twenty-five million, one hundred twenty-six thousand, two hundred twenty-one".