125785623 has 16 divisors (see below), whose sum is σ = 170107616. Its totient is φ = 82667520.

The previous prime is 125785619. The next prime is 125785637. The reversal of 125785623 is 326587521.

It is not a de Polignac number, because 125785623 - 2² = 125785619 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125785613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90393 + ... + 91773.

It is an arithmetic number, because the mean of its divisors is an integer number (10631726).

Almost surely, 2^125785623 is an apocalyptic number.

125785623 is a deficient number, since it is larger than the sum of its proper divisors (44321993).

125785623 is a wasteful number, since it uses less digits than its factorization.

125785623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its digits is 100800, while the sum is 39.

The square root of 125785623 is about 11215.4189845944. The cubic root of 125785623 is about 501.0453104625.

The spelling of 125785623 in words is "one hundred twenty-five million, seven hundred eighty-five thousand, six hundred twenty-three".