125348272381 has 4 divisors (see below), whose sum is σ = 125349109600. Its totient is φ = 125347435164.

The previous prime is 125348272373. The next prime is 125348272453. The reversal of 125348272381 is 183272843521.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 183272843521 = 5903 ⋅31047407.

It is a cyclic number.

It is not a de Polignac number, because 125348272381 - 2³ = 125348272373 is a prime.

It is a super-2 number, since 2×125348272381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125348272321) 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, 125721 + ... + 516238.

It is an arithmetic number, because the mean of its divisors is an integer number (31337277400).

Almost surely, 2^125348272381 is an apocalyptic number.

It is an amenable number.

125348272381 is a deficient number, since it is larger than the sum of its proper divisors (837219).

125348272381 is an equidigital number, since it uses as much as digits as its factorization.

125348272381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837218.

The product of its digits is 645120, while the sum is 46.

The spelling of 125348272381 in words is "one hundred twenty-five billion, three hundred forty-eight million, two hundred seventy-two thousand, three hundred eighty-one".