125836406241 has 32 divisors (see below), whose sum is σ = 213162098688. Its totient is φ = 64234105920.

The previous prime is 125836406233. The next prime is 125836406243. The reversal of 125836406241 is 142604638521.

It is not a de Polignac number, because 125836406241 - 2³ = 125836406233 is a prime.

It is a super-2 number, since 2×125836406241² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125836406193 and 125836406202.

It is not an unprimeable number, because it can be changed into a prime (125836406243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7426041 + ... + 7442966.

It is an arithmetic number, because the mean of its divisors is an integer number (6661315584).

Almost surely, 2^125836406241 is an apocalyptic number.

It is an amenable number.

125836406241 is a deficient number, since it is larger than the sum of its proper divisors (87325692447).

125836406241 is a wasteful number, since it uses less digits than its factorization.

125836406241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869061.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 125836406241 in words is "one hundred twenty-five billion, eight hundred thirty-six million, four hundred six thousand, two hundred forty-one".