125331014261 has 4 divisors (see below), whose sum is σ = 127455268800. Its totient is φ = 123206759724.

The previous prime is 125331014243. The next prime is 125331014273. The reversal of 125331014261 is 162410133521.

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 an emirpimes, since its reverse is a distinct semiprime: 162410133521 = 293 ⋅554300797.

It is a cyclic number.

It is not a de Polignac number, because 125331014261 - 2⁶ = 125331014197 is a prime.

It is a super-2 number, since 2×125331014261² (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 (125331014461) 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, 1062127181 + ... + 1062127298.

It is an arithmetic number, because the mean of its divisors is an integer number (31863817200).

Almost surely, 2^125331014261 is an apocalyptic number.

It is an amenable number.

125331014261 is a deficient number, since it is larger than the sum of its proper divisors (2124254539).

125331014261 is an equidigital number, since it uses as much as digits as its factorization.

125331014261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124254538.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 125331014261 its reverse (162410133521), we get a palindrome (287741147782).

The spelling of 125331014261 in words is "one hundred twenty-five billion, three hundred thirty-one million, fourteen thousand, two hundred sixty-one".