125830783 has 4 divisors (see below), whose sum is σ = 135510088. Its totient is φ = 116151480.

The previous prime is 125830777. The next prime is 125830807. The reversal of 125830783 is 387038521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125830783 - 2⁵ = 125830751 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125833783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839633 + ... + 4839658.

It is an arithmetic number, because the mean of its divisors is an integer number (33877522).

Almost surely, 2^125830783 is an apocalyptic number.

125830783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125830783 is a deficient number, since it is larger than the sum of its proper divisors (9679305).

125830783 is an equidigital number, since it uses as much as digits as its factorization.

125830783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679304.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 125830783 is about 11217.4321036501. The cubic root of 125830783 is about 501.1052656421.

It can be divided in two parts, 1258 and 30783, that added together give a square (32041 = 179²).

The spelling of 125830783 in words is "one hundred twenty-five million, eight hundred thirty thousand, seven hundred eighty-three".