125206621441 has 8 divisors (see below), whose sum is σ = 136704711168. Its totient is φ = 113727810000.

The previous prime is 125206621391. The next prime is 125206621457. The reversal of 125206621441 is 144126602521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125206621441 - 2³¹ = 123059137793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125206621397 and 125206621406.

It is not an unprimeable number, because it can be changed into a prime (125206621471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4805985 + ... + 4831966.

It is an arithmetic number, because the mean of its divisors is an integer number (17088088896).

Almost surely, 2^125206621441 is an apocalyptic number.

125206621441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125206621441 is a deficient number, since it is larger than the sum of its proper divisors (11498089727).

125206621441 is a wasteful number, since it uses less digits than its factorization.

125206621441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639143.

The product of its (nonzero) digits is 23040, while the sum is 34.

It can be divided in two parts, 125206 and 621441, that added together give a palindrome (746647).

The spelling of 125206621441 in words is "one hundred twenty-five billion, two hundred six million, six hundred twenty-one thousand, four hundred forty-one".