125744841 has 24 divisors (see below), whose sum is σ = 196073280. Its totient is φ = 77416416.

The previous prime is 125744809. The next prime is 125744849. The reversal of 125744841 is 148447521.

It is a happy number.

125744841 is a `hidden beast` number, since 1 + 2 + 574 + 4 + 84 + 1 = 666.

It is not a de Polignac number, because 125744841 - 2⁵ = 125744809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125744796 and 125744805.

It is not an unprimeable number, because it can be changed into a prime (125744849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4471 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (8169720).

Almost surely, 2^125744841 is an apocalyptic number.

It is an amenable number.

125744841 is a deficient number, since it is larger than the sum of its proper divisors (70328439).

125744841 is a wasteful number, since it uses less digits than its factorization.

125744841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005 (or 21002 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 125744841 is about 11213.6007152029. The cubic root of 125744841 is about 500.9911552576.

The spelling of 125744841 in words is "one hundred twenty-five million, seven hundred forty-four thousand, eight hundred forty-one".