125327142261 has 6 divisors (see below), whose sum is σ = 181028094390. Its totient is φ = 83551428168.

The previous prime is 125327142251. The next prime is 125327142287. The reversal of 125327142261 is 162241723521.

125327142261 is a `hidden beast` number, since 1 + 253 + 2 + 7 + 142 + 261 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100794185361 + 24532956900 = 317481^2 + 156630^2 .

It is not a de Polignac number, because 125327142261 - 2¹⁷ = 125327011189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125327142251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6962619006 + ... + 6962619023.

It is an arithmetic number, because the mean of its divisors is an integer number (30171349065).

Almost surely, 2^125327142261 is an apocalyptic number.

It is an amenable number.

125327142261 is a deficient number, since it is larger than the sum of its proper divisors (55700952129).

125327142261 is a wasteful number, since it uses less digits than its factorization.

125327142261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925238035 (or 13925238032 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

Adding to 125327142261 its reverse (162241723521), we get a palindrome (287568865782).

The spelling of 125327142261 in words is "one hundred twenty-five billion, three hundred twenty-seven million, one hundred forty-two thousand, two hundred sixty-one".