125784427 has 8 divisors (see below), whose sum is σ = 132680000. Its totient is φ = 118916424.

The previous prime is 125784419. The next prime is 125784431. The reversal of 125784427 is 724487521.

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 125784427 - 2³ = 125784419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125784427.

It is not an unprimeable number, because it can be changed into a prime (125784437) 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, 2848 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (16585000).

Almost surely, 2^125784427 is an apocalyptic number.

125784427 is a deficient number, since it is larger than the sum of its proper divisors (6895573).

125784427 is a wasteful number, since it uses less digits than its factorization.

125784427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785.

The product of its digits is 125440, while the sum is 40.

The square root of 125784427 is about 11215.3656650151. The cubic root of 125784427 is about 501.0437224376.

The spelling of 125784427 in words is "one hundred twenty-five million, seven hundred eighty-four thousand, four hundred twenty-seven".