125842783 has 12 divisors (see below), whose sum is σ = 138756240. Its totient is φ = 114044480.

The previous prime is 125842763. The next prime is 125842793. The reversal of 125842783 is 387248521.

It is a happy number.

It is not a de Polignac number, because 125842783 - 2²¹ = 123745631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125842763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41991 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (11563020).

Almost surely, 2^125842783 is an apocalyptic number.

125842783 is a deficient number, since it is larger than the sum of its proper divisors (12913457).

125842783 is a wasteful number, since it uses less digits than its factorization.

125842783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3267 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 125842783 is about 11217.9669726738. The cubic root of 125842783 is about 501.1211946326.

The spelling of 125842783 in words is "one hundred twenty-five million, eight hundred forty-two thousand, seven hundred eighty-three".