125044641273 has 4 divisors (see below), whose sum is σ = 166726188368. Its totient is φ = 83363094180.

The previous prime is 125044641247. The next prime is 125044641283. The reversal of 125044641273 is 372146440521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125044641273 - 2⁹ = 125044640761 is a prime.

It is a super-2 number, since 2×125044641273² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125044641203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20840773543 + ... + 20840773548.

It is an arithmetic number, because the mean of its divisors is an integer number (41681547092).

Almost surely, 2^125044641273 is an apocalyptic number.

It is an amenable number.

125044641273 is a deficient number, since it is larger than the sum of its proper divisors (41681547095).

125044641273 is an equidigital number, since it uses as much as digits as its factorization.

125044641273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41681547094.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 125044641273 in words is "one hundred twenty-five billion, forty-four million, six hundred forty-one thousand, two hundred seventy-three".