125803983 has 16 divisors (see below), whose sum is σ = 173536256. Its totient is φ = 80982720.

The previous prime is 125803973. The next prime is 125803987. The reversal of 125803983 is 389308521.

It is not a de Polignac number, because 125803983 - 2⁶ = 125803919 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 (125803987) 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, 49635 + ... + 52107.

It is an arithmetic number, because the mean of its divisors is an integer number (10846016).

Almost surely, 2^125803983 is an apocalyptic number.

125803983 is a deficient number, since it is larger than the sum of its proper divisors (47732273).

125803983 is a wasteful number, since it uses less digits than its factorization.

125803983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 125803983 is about 11216.2374707386. The cubic root of 125803983 is about 501.0696872398.

The spelling of 125803983 in words is "one hundred twenty-five million, eight hundred three thousand, nine hundred eighty-three".